There are three papers of 100 marks each in an examination. Then the number of ways a student gets 150 marks such that he gets at least 60% in two papers.
3C_{2} x 32C_{2}
4C_{3}_{ }x 32C_{2}
4C_{3 }x 36C_{2}
4C_{3 }x 32C_{3}
The value of a for which one of the roots of is double of one of the roots of is
0, 2
0, 2
2, 2
None of these
The value of for which the sum of the squares of the roots of the equation assumes the least value is
0
1
2
3
The value of is
(0,3)
(0,e)
(0,e+3)
(3,3+e)
The value of for which the system of equations , and have no solution are
The total number of ways of selecting six coins out of 20 one rupee coins, 10 fifty paise coins and 7 twentyfive paise coins is:
28
56
37C_{6}
None of these
The total number of ways of arranging the letters AAAA BBB CC DE F in a row such that letter C are separated from one another is:
2772000
1386000
4158000
None of these
The system of linear equation
has a unique solution if
The system of equation and have resolution if k equals
0
1
1
2
The solution set of is
None.
The sum of an infinite geometric series of real number is 14, and the sum of the cube of the terms of this series is 392 then the first term of the series is
14
10
7
5
The root of the question is?
0
1
As learnt in
Multiplication of matrices 

Option 1)
This option is correct.
Option 2)
This option is incorrect.
Option 3)
0
This option is incorrect.
Option 4)
1
This option is incorrect.
The real part of is:
1
As learnt in
Definition of Argument/Amplitude of z in Complex Numbers 
are Principal Argument if z lies in first, second, third or fourth quadrant respectively.
 wherein
Option 1)
1
This option is incorrect.
Option 2)
This option is correct.
Option 3)
This option is incorrect.
Option 4)
This option is incorrect.
The Range of the function
None
The quadratic equation with real coefficients and , has a complex root , then which of the following represents the value of ?
The order of
The order of
The number of ways in which 12 balls can be divided between two friends, one receiving 8 and the other 4, is:
None of these
The number of terms in the expansion of is
None of these
The number of selections of four letters from the letters of the word ASSASSINATION is
72
71
66
52