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NCERT Solutions for Class 6 Maths Chapter 11 Algebra

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NCERT Solutions for Class 6 Maths Chapter 11 Algebra

Edited By Ramraj Saini | Updated on Nov 30, 2023 10:11 AM IST

NCERT Solutions for Class 6 Maths Chapter 11 Algebra are discussed in this article. These NCERT solutions are created by expert team at careers360 considering the latest CBSE syllabus 2023. This is a very important branch of mathematics comprising 5 exercises and 27 questions. You will get NCERT Class 6 Maths solutions of chapter 11 for these all questions. In this NCERT solutions for Algebra class 6 Maths chapter 11, you will study algebraic expressions. This chapter of NCERT will give you some basics of algebra. These CBSE NCERT solutions for Class 6 Maths chapter 11 algebra are very useful in solving many real-life problems using variables.

There are many questions in solutions of NCERT for Class 6 Maths chapter 11 algebra where you will learn to form an equation and solve them. Apart from that, there are some practice questions given at the end of every topic for conceptual clarity. NCERT Solutions for Class 6 are prepared by expert faculty to clear doubts which will aid you to understand the concepts given in NCERT 6 Class Maths Syllabus. Scroll down to access NCERT solutions for Class 6 Maths chapter 11. Also, Check NCERT Solutions to get class 6 to 12 solutions for Science and Maths. Understanding the concept of variables and equations are mandatory for our higher studies. So solving all the NCERT questions are mandatory. Solve as many questions as possible from this chapter.

NCERT Solutions for Class 6 Maths Chapter 11 Algebra - Important Formulae

  1. literal numbers or literals = Letters to represent numbers

  2. Commutative property of addition, a + b = b + a, where variables a and b can represent any number.

  3. Consider two literal numbers x and y

  • x∗y = xy

  • 5∗x = 5x

  • x∗3 = 3x

  1. a∗a∗.............∗a (12 times ) = a12

  2. In expressions like this x9, the number 9 is called the index or exponent, and the letter x is called the base.

  3. Constant = Same numerical value

NCERT Solutions for Class 6 Maths Chapter 11 Algebra - Important Points

Patterns using matchsticks: Exploring the arrangement of matchsticks to create letters and shapes, identifying the number of matchsticks required for repeating a given shape.

Variable: A symbol or letter (e.g., n) that represents a quantity or value that can vary or change. The value of a variable is not fixed and can take on different values.

Fixed value: Some quantities, like the number of angles in a triangle, have a specific and unchanging value. They are not variables.

Expressing relations: Variables allow us to express relationships and connections between quantities in various practical situations.

Operations on variables: Variables can be manipulated using operations such as addition, subtraction, multiplication, and division, similar to fixed numbers. Expressions involving variables can be formed, such as x - 3, x + 3, 2n, 5m, 3p, 2y + 3, 3l - 5, etc.

General rules: Variables enable us to express general rules and principles in both geometry and arithmetic. For example, the

Equation: A mathematical statement that equates two expressions or quantities. It states that the expression on the left-hand side (LHS) is equal to the expression on the right-hand side (RHS), using the equal (=) sign. For example, x - 3 = 10 is an equation.

LHS and RHS: An equation has two sides, the left-hand side (LHS) and the right-hand side (RHS), with the equal (=) sign in between.

Solution of an equation: The specific value(s) of the variable that satisfy the equation, making both the LHS and RHS of the equation equal. These values are called the solutions of the equation.

Trial and error method: A method for finding the solution(s) of an equation by systematically trying different values for the variable and checking if they satisfy the equation. Different values are tested until the correct value that satisfies the equation is found.

Free Download NCERT Solutions for Class 6 Maths Chapter 11 Algebra For CBSE Exam

NCERT Solutions for Class 6 Maths Chapter 11 Algebra

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NCERT Solutions for Class 6 Maths Chapter 11 Algebra (Intext Questions and Exercise)

NCERT Solutions for Class 6 Maths Chapter 11 Exercise 11.1

Question: 1 Find the rule which gives the number of matchsticks required to make the following matchstick patterns. Use a variable to write the rule.

(a) A pattern of letter T as aa1_SOFwWIh .

(b) A pattern of letter Z as aa2 .

(c) A pattern of letter U as aa3 .

(d) A pattern of letter V as aa4 .

(e) A pattern of letter E as aa5 .

(f) A pattern of letter S as aa6 .

(g) A pattern of letter A as aa7 .

Answer:

(a) A pattern of letter T as aa1_5U6igJs =2n ( because 2 matchsticks are used )

(b) A pattern of letter Z as aa2_jFEE3vz =3n ( because 3 matchsticks are used )

(c) A pattern of letter U as aa3_gZToPAu =3n ( because 3 matchsticks are used )

(d) A pattern of letter V as aa4_qXKYuht =2n ( because 2 matchsticks are used )

(e) A pattern of letter E as aa4_DHmWqZl =5n ( because 5 matchsticks are used )

(f) A pattern of letter S as aa6_dhsN9JN =5n ( because 5 matchsticks are used )

(g) A pattern of letter A as aa7_PfRCZcN =6n ( because 6 matchsticks are used )

Question: 4 If there are 50 mangoes in a box, how will you write the total number of mangoes in terms of the number of boxes? (Use b for the number of boxes.)

Answer: Mangoes in a box = 50

Number of boxes = b

Thus, the total number of mangoes = 50b

Question: 5 The teacher distributes 5 pencils per student. Can you tell how many pencils are needed, given the number of students? (Use s for the number of students.)

Answer: pencils per student = 5

number of students = s

Thus, the total pencils needed = 5s

Question: 6 A bird flies 1 kilometer in one minute. Can you express the distance covered by the bird in terms of its flying time in minutes? (Use t for flying time in minutes.)

Answer: Time taken by bird = t minutes

Speed of bird = 1 km per minute

Thus, distance covered by bird =speed\times time

=1\times t=t \,\, \, \, km

Question: 7 Radha is drawing a dot Rangoli (a beautiful pattern of lines joining dots) with chalk powder. She has 9 dots in a row. How many dots will her Rangoli have for r rows? How many dots are there if there are 8 rows? If there are 10 rows?

Answer: Number of rows = r

Number of dots in each row = 9 dots

Thus, the total number of dots = 9r

When the number of rows is 8, then the total number of dots are 9\times8 =72 dots.

When the number of rows is 10, then the total number of dots are 9\times 10=90 dots.

Question: 11 (a) Look at the following matchstick pattern of squares (Fig 11.6). The squares are not separate. Two neighbouring squares have a common matchstick. Observe the patterns and find the rule that gives the number of matchsticks

1643095732551

in terms of the number of squares. (Hint: If you remove the vertical stick at the end, you will get a pattern of Cs.)

Answer:

1643095802819

(a) 4 matchsticks

(b) 7 matchsticks

(c) 10 matchsticks

(d) 13 matchsticks

If we remove 1 matchstick from each then it forms a table of 3 i.e.,3,6,9,12,.....

So, required equation = 3x+1 , x= number of squares

Question: 11 (b) Fig 11.7 gives a matchstick pattern of triangles. As in Exercise 11 (a) above, find the general rule that gives the number of matchsticks in terms of the number of triangles.

1643095869541

Answer:

1643095901644

(a) 3 matchsticks

(b) 5 matchsticks

(c) 7 matchsticks

(d) 9 matchsticks

If we remove 1 matchstick from each then it forms a table of 2 i.e., 2,4,6,8............

So, required equation = 2x+1 , x= number of triangles

NCERT Solutions for Class 6 Maths Chapter 11 E xercise 11.2

Question: 1 The side of an equilateral triangle is shown by l . Express the perimeter of the equilateral triangle using

l.

Answer: The side of an equilateral triangle is l .

Therefore, the perimeter of the equilateral triangle =3 \times side=3l

Question: 5 To find sum of three numbers 14, 27 and 13, we can have two ways:

(a) We may first add 14 and 27 to get 41 and then add 13 to it to get the total sum 54 or

(b) We may add 27 and 13 to get 40 and then add 14 to get the sum 54. Thus, (14+27)+13=14+(27+13)

This can be done for any three numbers. This property is known as the associativity of addition of numbers. Express this property which we have already studied in the chapter on Whole Numbers, in a general way, by using variables a, b and c.

Answer: According to the given condition,

(a+b)+c=a+(b+c)

Question: 2 Which out of the following are expressions with numbers only?

(a) y+3

(b) (7\times 20)-8z

(c) 5(21-7)+7\times 2

(d) 5

(e) 3x

(f) 5-5n

(g) (7\times 20)-(5\times 10)-45+p

Answer: Option (c) and (d) are with numbers only. All other expression contains alphabets

Question: 4(i) Give expressions for the following cases.

(a) 7 added to p

(b) 7 subtracted from p

(c) p multiplied by 7

(d) p divided by 7

(e) 7 subtracted from -m

(f) -p multiplied by 5

(g) -p divided by 5

(h) p multiplied by -5

Answer:

(a) 7 added to p =p+7

(b) 7 subtracted from p =p-7

(c) p multiplied by 7 =p\times 7=7p

(d) p divided by 7 =\frac{p}{7}

(e) 7 subtracted from -m =-m-7

(f) -p multiplied by 5 =-5p

(g) -p divided by 5 =\frac{-p}{5}

(h) p multiplied by -5 =-5p

Question: 4(ii) Give expressions for the following cases.

(e) 7 subtracted from -m

(f) -p multiplied by 5

(g) -p divided by 5

(h) p multiplied by -5

Answer:

(e) 7 subtracted from -m = -m-7

(f) -p multiplied by 5

(g) -p divided by 5

(h) p multiplied by -5

Question:5(i) Give expressions in the following cases.

(a) 11 added to 2m

(b) 11 subtracted from 2m

c) 5 times y to which 3 is added

(d) 5 times y from which 3 is subtracted

(e) y is multiplied by -8

Answer:

(a) 11 added to 2m =2m+11

(b) 11 subtracted from 2m =2m-11

c) 5 times y to which 3 is added =5y+3

(d) 5 times y from which 3 is subtracted =5y-3

(e) y is multiplied by -8 =-8y

Question: 5(ii) Give expressions in the following cases.

(f) y is multiplied by -8 and then 5 is added to the result

(g) y is multiplied by 5 and the result is subtracted from 16

(h) y is multiplied by -5 and the result is added to 16.

Answer:

(f) y is multiplied by -8 and then 5 is added to the result= -8y+5

(g) y is multiplied by 5 and the result is subtracted from 16 =16-5y

(h) y is multiplied by -5 and the result is added to 16. =-5y+16

NCERT Solutions for Class 6 Maths Chapter 11 Exercise 11.4

Question:1 Answer the following:

(a) Take Sarita’s present age to be y years

(i) What will be her age 5 years from now?

(ii) What was her age 3 years back?

(iii) Sarita’s grandfather is 6 times her age. What is the age of her grandfather?

(iv) Grandmother is 2 years younger than grandfather. What is grandmother's age?

(v) Sarita’s father’s age is 5 years more than 3 times Sarita’s age. What is her father's age?

Answer: According to the given condition,

(a) (i) y+5

(ii) y-3

(iii) 6y

(iv) 6y-2

(v) 3y+5

Question: 1 (c) A rectangular box has height h\; cm. Its length is 5 times the height and breadth is 10\; cm less than the length. Express the length and the breadth of the box in terms of the height.

Answer: Height of box = h cm

Length of box = 5 times height = 5h cm

Breadth of box = 10 cm less than length = (5h-10) cm

Question: 1 (e) A bus travels at per hour. It is going from Daspur to Beespur. After the bus has travelled hours, Beespur is still away. What is the distance from Daspur to Beespur? Express it using v?

Answer: Speed of bus = v km\h

Distance travelled in 5 hours = 5v km

Remaining distance = 20 km

Totsl distance = (5v+20)km

Question: 2 Change the following statements using expressions into statements in ordinary language. (For example, Given Salim scores r runs in a cricket match, Nalin scores (r + 15) runs. In ordinary language – Nalin scores 15 runs more than Salim.)

(a) A notebook costs ` Rs.p .A book costs Rs.3p.

(b) Tony puts q marbles on the table. He has 8\; q marbles in his box.

(c) Our class has n students. The school has 20\; n students.

(d) Jaggu is z years old. His uncle is 4\; z years old and his aunt is (4\; z-3) years old.

(e) In an arrangement of dots there are r rows. Each row contains 5 dots.

Answer:

(a) A book cost 3 times the cost of a notebook.

(b) The number of marbles in the box is 8 times marbles on the table.

(c) The total number of students in school is 20 times that in our class.

(d) Jaggu's uncle's age is 4 times the age of Jaggu. Jaggu's aunt is 3 years younger than his uncle.

(e) The total number of dots is 5 times the number of rows.

Question: 3 (a) Given Munnu’s age to be x years, can you guess what (x-2) may show? (Hint : Think of Munnu’s younger brother.)

Can you guess what (x+4) may show? What (3x+7) may show?

Answer:

(a) Munnu's age = x years

Munnu’s younger brother is 2years younger than him = (x-2) years

Munnu’s elder brother is 4years older than him = (x+4) years

His father is 7 years more than thrice of his age = (3x+7)years

Question: 3 (c) Given n students in the class like football, what may 2n show? What may \frac{n}{2} show? (Hint : Think of games other than football).

Answer:

Number of students like hockey is twice the students like football, i.e.,2n

Number of students like tennis is half the students like football, i.e., \frac{n}{2}

NCERT Solutions for Class 6 Maths Chapter 11 Exercise 11.5

Question: 1(a) State which of the following are equations (with a variable). Give reason for your answer. Identify the variable from the equations with a variable.

17=x+7

Answer: (a) It is an equation of variable as both sides are equal. The variable is x.

Question: 1(c) State which of the following are equations (with a variable). Give reason for your answer. Identify the variable from the equations with a variable.

\frac{4}{2}=2

Answer: (c) It is an equation with no variable. We may call this a numerical equation

Question: 1(e) State which of the following are equations (with a variable). Give reason for your answer. Identify the variable from the equations with a variable. 5\times 4-8=2\; x

Answer: (e) It is an equation of variable as both sides are equal. The variable is x.

Question: 1(h) State which of the following are equations (with a variable). Give reason for your answer. Identify the variable from the equations with a variable.

2n+1=11

Answer: (h) It is an equation of variable as both sides are equal. The variable is n.

Question: 2 Complete the entries in the third column of the table.

1643096149145

Answer:

S. no.

Equation

Value of variable

Equ.satisfied Yes/No

Sol. of LHS

(a)

10 y =80

y = 10

No

10\times 10=100

(b)

10 y = 80

y = 8

Yes

10\times 8=80

(c)

10 y = 80

y = 5

No

10\times 5=50

(d)

4l = 20

l = 20

No

4\times 20=80

(e)

4l = 20

l = 80

No

4\times 80=320

(f)

4l = 20

l =5

Yes

4\times 5=20

(g)

b + 5 =9

b = 5

No

5+5=10

(h)

b + 5=9

b = 9

Yes

9+5=14

(i)

b+5=9

b = 4

Yes

13-8=5

(j)

h -8 =5

h =13

Yes

8-8=0

(k)

h -8 =5

h = 8

No

0-8=-8

(l)

h -8 =5

h = 0

No

3+3=6

(m)

p+3=1

p = 3

No

1+3= 4

(n)

p+3=1

p = 1

No

0+3= 3

(o)

p+3=1

p = 0

No

-1+3= 2

(p)

p+3=1

p = -1

Yes

-2+3= 1

(q)

p+3=1

p = -2



Question: 3 Pick out the solution from the values given in the bracket next to each equation. Show that the other values do not satisfy the equation.

(a) 5m=60 (10,5,12,15)

(b) n+12=20 (12,8,20,0)

(c) p-5=5 (0,10,5,-5)

(d) \frac{q}{2}=7 (7,2,10,14)

(e) r-4=0 (4,-4,8,0)

(f) x+4=2 (-2,0,2,4)

Answer:

(a) 5m=60

Putting given values in LHS.

5\times 10=50 5\times 12=60

\therefore LHS\neq RHS \therefore LHS= RHS

m = 10 is not a solution. m = 12 is a solution.

5\times 5=50 5\times 15=75

\therefore LHS\neq RHS \therefore LHS\neq RHS

m = 5 is not a solution. m = 15 is not a solution.

(b) n+12=20

Putting given values in LHS.

12+12=24 20+12=32

\therefore LHS\neq RHS \therefore LHS\neq RHS

n = 12 is not a solution. n = 20 is not a solution.

8+12=20 0+12=12

\therefore LHS= RHS \therefore LHS\neq RHS

n = 8 is a solution. n =0 is not a solution.

(c) p-5=5

Putting given values in LHS.

0-5=-5 10-5=5

\therefore LHS\neq RHS \therefore LHS= RHS

p =0 is not a solution. p = 10 is a solution.

5-5=0 -5-5=-10

\therefore LHS\neq RHS \therefore LHS\neq RHS

p = 5 is not a solution. p = -5 is not a solution

(d) \frac{q}{2}=7

Putting given values in LHS.

\frac{7}{2} \frac{2}{2}=1

\therefore LHS\neq RHS \therefore LHS\neq RHS

q =7 is not a solution. q = 2 is not a solution.

\frac{10}{2}=5 \frac{14}{2}=7

\therefore LHS\neq RHS \therefore LHS= RHS

q = 10 is not a solution. q = 14 is a solution.

(e) r-4=0

Putting given values in LHS.

4-4=0 -4-4=-8

\therefore LHS= RHS \therefore LHS\neq RHS

r =4 is a solution. r = -4 is not a solution.

8-4=4 0-4=-4

\therefore LHS\neq RHS \therefore LHS\neq RHS

r = 8 is not a solution. r = 0 is not a solution

(f) x+4=2

Putting given values in LHS.

-2+4=2 0+4=4

\therefore LHS= RHS \therefore LHS\neq RHS

x = -2 is a solution. x = 0 is a solution.

2+4=6 4+4=8

\therefore LHS\neq RHS \therefore LHS\neq RHS

x = 2 is not a solution. x = 4 is not a solution

Question: 4 (a) Complete the table and by inspection of the table find the solution to the equation

m+10=16.

1643096194400

Answer: (a)

m

1

2

3

4

5

6

7

8

9

10

11

12

13

m+10

11

12

13

14

15

16

17

18

19

20

21

22

23

At m = 6, m+10=16

Thus, m =6 is a solution.

Question: 4 (b) Complete the table and by inspection of the table, find the solution to the equation

5t=35.

1643096251145

Answer: (b)

t

3

4

5

6

7

8

9

10

11

12

13

14

15

16

5t

15

20

25

30

35

40

45

50

55

60

65

70

75

80

At t=7, 5t = 35

Thus, t = 7 is the solution.

Question: 4 (c) Complete the table and find the solution of the equation z/3=4 using the table.

1643096323002

Answer: (c)

z

8

9

10

11

12

13

14

15

16

17

18

19

20

\frac{z}{3}

\frac{8}{3}

3

\frac{10}{3}

\frac{11}{3}

4

\frac{13}{3}

\frac{14}{3}

5

\frac{16}{3}

\frac{17}{3}

6

\frac{19}{3}

\frac{20}{3}

At z = 12 , \frac{z}{3}=4

Thus, z= 12 is a solution.

Question: 4 (d) Complete the table and find the solution to the equation

m-7=3.

1643096365427

Answer: (d)

m

5

6

7

8

9

10

11

12

13

14

15

m - 7

-2

-1

0

1

2

3

4

5

6

7

8

At m=10, m-7 = 3
Thus, m=10 is the solution

Question:5 Solve the following riddles, you may yourself construct such riddles.

(i) Go round a square Counting every corner Thrice and no more! Add the count to me To get exactly thirty four!

(ii) For each day of the week Make an upcount from me If you make no mistake You will get twenty three!

(iii) I am a special number Take away from me a six! A whole cricket team You will still be able to fix!

(iv) Tell me who I am I shall give a pretty clue! You will get me back If you take me out of twenty two!

Answer:

(i) Square has 4 sides.

Counting every corner Thrice and no more!

Implies we go around square thrice,i.e. 12 times.

Add the count to me To get exactly thirty - four!

Let us assume the number as y, we get 34.

12+y=34

y=34-12=22

So, 22 is the number .

(ii) If 23 is number for Sunday.

Then counting up, Saturday is 22, Friday is 21, Thursday is 20.

Wednesday is 19, Tuesday is 18, Monday is 17 and Sunday is 16.

Therefore, the number considered is 16.

(iii) Let the number be x.

If we take away 6 from x, we get a cricket team.

x - 6 = 11

x=11+6=17

Special number is 17.

(iv) Let the number be x.

22 - x = x

22 = 2x

x=\frac{22}{2}=11

The number is 11.

Key Features of NCERT Solutions for Class 6 Maths Chapter 11 Algebra

Additional Tips and Tricks: The class 6 maths algebra often provide additional tips and tricks to simplify calculations and improve efficiency. These insights can help students save time and enhance their problem-solving abilities.

Comprehensive Coverage: The class 6 chapter 11 maths solutions cover all the major topics in the chapter, including variables, constants, algebraic expressions, like terms, coefficients, equations, and solving equations using the trial and error method. Students can be confident that they are learning all the essential concepts required for a strong foundation in algebra.

Conceptual Clarity: The chapter 11 maths class 6 explain the fundamental concepts of algebra in a clear and concise manner. They break down complex topics into simpler steps, making it easier for students to understand.

Step-by-Step Approach: Each exercise in the chapter is solved step-by-step, ensuring that students can follow along and grasp the solution methodology. The solutions include detailed explanations for each step, making it easier for students to learn and apply the concepts.

Also Check

NCERT Books and NCERT Syllabus

NCERT Solutions for Class 6 Mathematics Chapter Wise

Chapters No. Chapters Name
Chapter - 1 Knowing Our Numbers
Chapter - 2 Whole Numbers
Chapter - 3 Playing with Numbers
Chapter - 4 Basic Geometrical Ideas
Chapter - 5 Understanding Elementary Shapes
Chapter - 6 Integers
Chapter - 7 Fractions
Chapter - 8 Decimals
Chapter - 9 Data Handling
Chapter -10 Mensuration
Chapter -11 Algebra
Chapter -12 Ratio and Proportion
Chapter -13 Symmetry
Chapter -14 Practical Geometry

NCERT Solutions for Class 6 - Subject Wise

Benefits of NCERT Solutions for Class 6 Maths Chapter 11 Algebra

  • You will learn NCERT Class 6 Maths solutions chapter 11 very easily.
  • You can develop an algebraic expression of some real-life problems and solve them which you have learnt in this chapter.
  • It is going to help you with your homework as you can get detailed explanations of practice questions given at the end of every topic in the CBSE NCERT solutions for class 6 maths chapter 11 algebra.
  • You will get some short tricks and tips to solve some specific problems.
  • Tip- Mathematics required more practice to get conceptual clarity. So, you should solve all the NCERT questions including examples and practice questions on your own.

Happy learning!!!

Frequently Asked Question (FAQs)

1. How many exercises in NCERT Maths Class 6 chapter 11?

5 exercises are discussed in NCERT solutions for Class 6 Maths chapter 11. practice these exercises to get command in the concepts which ultimately lead to score well in the exam. Students can find detailed solutions for exercises above in this article.

2. Is Algebra important for higher studies?

Yes, Algebra is an important topic to be concentrated because it is the very basics of calculation. Also it will be used in higher Class Mathematics and Science courses. the concepts discussed in algebra questions for class 6 are foundation for algebra. Students can also study algebra books to get deeper understanding of the concepts. Also practice algebra sums for class 6 to build good command on the concepts.

3. What is the sign of an equation?

An equation is written as two expressions connected by an equal sign ("="). Expressions on both sides of the equal sign are called the "left side" and "right side" of the equation. 


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A block of mass 0.50 kg is moving with a speed of 2.00 ms-1 on a smooth surface. It strikes another mass of 1.00 kg and then they move together as a single body. The energy loss during the collision is

Option 1)

0.34\; J

Option 2)

0.16\; J

Option 3)

1.00\; J

Option 4)

0.67\; J

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Option 1)

2.45×10−3 kg

Option 2)

 6.45×10−3 kg

Option 3)

 9.89×10−3 kg

Option 4)

12.89×10−3 kg

 

An athlete in the olympic games covers a distance of 100 m in 10 s. His kinetic energy can be estimated to be in the range

Option 1)

2,000 \; J - 5,000\; J

Option 2)

200 \, \, J - 500 \, \, J

Option 3)

2\times 10^{5}J-3\times 10^{5}J

Option 4)

20,000 \, \, J - 50,000 \, \, J

A particle is projected at 600   to the horizontal with a kinetic energy K. The kinetic energy at the highest point

Option 1)

K/2\,

Option 2)

\; K\;

Option 3)

zero\;

Option 4)

K/4

In the reaction,

2Al_{(s)}+6HCL_{(aq)}\rightarrow 2Al^{3+}\, _{(aq)}+6Cl^{-}\, _{(aq)}+3H_{2(g)}

Option 1)

11.2\, L\, H_{2(g)}  at STP  is produced for every mole HCL_{(aq)}  consumed

Option 2)

6L\, HCl_{(aq)}  is consumed for ever 3L\, H_{2(g)}      produced

Option 3)

33.6 L\, H_{2(g)} is produced regardless of temperature and pressure for every mole Al that reacts

Option 4)

67.2\, L\, H_{2(g)} at STP is produced for every mole Al that reacts .

How many moles of magnesium phosphate, Mg_{3}(PO_{4})_{2} will contain 0.25 mole of oxygen atoms?

Option 1)

0.02

Option 2)

3.125 × 10-2

Option 3)

1.25 × 10-2

Option 4)

2.5 × 10-2

If we consider that 1/6, in place of 1/12, mass of carbon atom is taken to be the relative atomic mass unit, the mass of one mole of a substance will

Option 1)

decrease twice

Option 2)

increase two fold

Option 3)

remain unchanged

Option 4)

be a function of the molecular mass of the substance.

With increase of temperature, which of these changes?

Option 1)

Molality

Option 2)

Weight fraction of solute

Option 3)

Fraction of solute present in water

Option 4)

Mole fraction.

Number of atoms in 558.5 gram Fe (at. wt.of Fe = 55.85 g mol-1) is

Option 1)

twice that in 60 g carbon

Option 2)

6.023 × 1022

Option 3)

half that in 8 g He

Option 4)

558.5 × 6.023 × 1023

A pulley of radius 2 m is rotated about its axis by a force F = (20t - 5t2) newton (where t is measured in seconds) applied tangentially. If the moment of inertia of the pulley about its axis of rotation is 10 kg m2 , the number of rotations made by the pulley before its direction of motion if reversed, is

Option 1)

less than 3

Option 2)

more than 3 but less than 6

Option 3)

more than 6 but less than 9

Option 4)

more than 9

Data Administrator

Database professionals use software to store and organise data such as financial information, and customer shipping records. Individuals who opt for a career as data administrators ensure that data is available for users and secured from unauthorised sales. DB administrators may work in various types of industries. It may involve computer systems design, service firms, insurance companies, banks and hospitals.

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Bio Medical Engineer

The field of biomedical engineering opens up a universe of expert chances. An Individual in the biomedical engineering career path work in the field of engineering as well as medicine, in order to find out solutions to common problems of the two fields. The biomedical engineering job opportunities are to collaborate with doctors and researchers to develop medical systems, equipment, or devices that can solve clinical problems. Here we will be discussing jobs after biomedical engineering, how to get a job in biomedical engineering, biomedical engineering scope, and salary. 

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Ethical Hacker

A career as ethical hacker involves various challenges and provides lucrative opportunities in the digital era where every giant business and startup owns its cyberspace on the world wide web. Individuals in the ethical hacker career path try to find the vulnerabilities in the cyber system to get its authority. If he or she succeeds in it then he or she gets its illegal authority. Individuals in the ethical hacker career path then steal information or delete the file that could affect the business, functioning, or services of the organization.

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GIS Expert

GIS officer work on various GIS software to conduct a study and gather spatial and non-spatial information. GIS experts update the GIS data and maintain it. The databases include aerial or satellite imagery, latitudinal and longitudinal coordinates, and manually digitized images of maps. In a career as GIS expert, one is responsible for creating online and mobile maps.

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Data Analyst

The invention of the database has given fresh breath to the people involved in the data analytics career path. Analysis refers to splitting up a whole into its individual components for individual analysis. Data analysis is a method through which raw data are processed and transformed into information that would be beneficial for user strategic thinking.

Data are collected and examined to respond to questions, evaluate hypotheses or contradict theories. It is a tool for analyzing, transforming, modeling, and arranging data with useful knowledge, to assist in decision-making and methods, encompassing various strategies, and is used in different fields of business, research, and social science.

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Individuals who opt for a career as geothermal engineers are the professionals involved in the processing of geothermal energy. The responsibilities of geothermal engineers may vary depending on the workplace location. Those who work in fields design facilities to process and distribute geothermal energy. They oversee the functioning of machinery used in the field.

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Database Architect

If you are intrigued by the programming world and are interested in developing communications networks then a career as database architect may be a good option for you. Data architect roles and responsibilities include building design models for data communication networks. Wide Area Networks (WANs), local area networks (LANs), and intranets are included in the database networks. It is expected that database architects will have in-depth knowledge of a company's business to develop a network to fulfil the requirements of the organisation. Stay tuned as we look at the larger picture and give you more information on what is db architecture, why you should pursue database architecture, what to expect from such a degree and what your job opportunities will be after graduation. Here, we will be discussing how to become a data architect. Students can visit NIT Trichy, IIT Kharagpur, JMI New Delhi

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Individuals who opt for a career as a remote sensing technician possess unique personalities. Remote sensing analysts seem to be rational human beings, they are strong, independent, persistent, sincere, realistic and resourceful. Some of them are analytical as well, which means they are intelligent, introspective and inquisitive. 

Remote sensing scientists use remote sensing technology to support scientists in fields such as community planning, flight planning or the management of natural resources. Analysing data collected from aircraft, satellites or ground-based platforms using statistical analysis software, image analysis software or Geographic Information Systems (GIS) is a significant part of their work. Do you want to learn how to become remote sensing technician? There's no need to be concerned; we've devised a simple remote sensing technician career path for you. Scroll through the pages and read.

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Budget Analyst

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Data are collected and examined to respond to questions, evaluate hypotheses or contradict theories. It is a tool for analyzing, transforming, modeling, and arranging data with useful knowledge, to assist in decision-making and methods, encompassing various strategies, and is used in different fields of business, research, and social science.

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An underwriter is a person who assesses and evaluates the risk of insurance in his or her field like mortgage, loan, health policy, investment, and so on and so forth. The underwriter career path does involve risks as analysing the risks means finding out if there is a way for the insurance underwriter jobs to recover the money from its clients. If the risk turns out to be too much for the company then in the future it is an underwriter who will be held accountable for it. Therefore, one must carry out his or her job with a lot of attention and diligence.

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Individuals in the operations manager jobs are responsible for ensuring the efficiency of each department to acquire its optimal goal. They plan the use of resources and distribution of materials. The operations manager's job description includes managing budgets, negotiating contracts, and performing administrative tasks.

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A Researcher is a professional who is responsible for collecting data and information by reviewing the literature and conducting experiments and surveys. He or she uses various methodological processes to provide accurate data and information that is utilised by academicians and other industry professionals. Here, we will discuss what is a researcher, the researcher's salary, types of researchers.

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A career as Transportation Planner requires technical application of science and technology in engineering, particularly the concepts, equipment and technologies involved in the production of products and services. In fields like land use, infrastructure review, ecological standards and street design, he or she considers issues of health, environment and performance. A Transportation Planner assigns resources for implementing and designing programmes. He or she is responsible for assessing needs, preparing plans and forecasts and compliance with regulations.

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Depending on the video game designer job description and experience they may also have to lead a team and do the early testing of the game in order to suggest changes and find loopholes.

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A career as radio jockey has a lot to offer to deserving candidates. If you want to know more about a career as radio jockey, and how to become a radio jockey then continue reading the article.

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Ever since internet costs got reduced the viewership for these types of content has increased on a large scale. Therefore, a career as a vlogger has a lot to offer. If you want to know more about the Vlogger eligibility, roles and responsibilities then continue reading the article. 

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For publishing books, newspapers, magazines and digital material, editorial and commercial strategies are set by publishers. Individuals in publishing career paths make choices about the markets their businesses will reach and the type of content that their audience will be served. Individuals in book publisher careers collaborate with editorial staff, designers, authors, and freelance contributors who develop and manage the creation of content.

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Individuals in the editor career path is an unsung hero of the news industry who polishes the language of the news stories provided by stringers, reporters, copywriters and content writers and also news agencies. Individuals who opt for a career as an editor make it more persuasive, concise and clear for readers. In this article, we will discuss the details of the editor's career path such as how to become an editor in India, editor salary in India and editor skills and qualities.

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AWS Solution Architect

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An Azure Administrator is a professional responsible for implementing, monitoring, and maintaining Azure Solutions. He or she manages cloud infrastructure service instances and various cloud servers as well as sets up public and private cloud systems. 

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Careers in computer programming primarily refer to the systematic act of writing code and moreover include wider computer science areas. The word 'programmer' or 'coder' has entered into practice with the growing number of newly self-taught tech enthusiasts. Computer programming careers involve the use of designs created by software developers and engineers and transforming them into commands that can be implemented by computers. These commands result in regular usage of social media sites, word-processing applications and browsers.

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Individuals in the information security manager career path involves in overseeing and controlling all aspects of computer security. The IT security manager job description includes planning and carrying out security measures to protect the business data and information from corruption, theft, unauthorised access, and deliberate attack 

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