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Solve this problem Total cost of 3 apples, 2 bananas and 1 orange is Rs.10 and total cost of 2apples, 3bananas and 4oranges is Rs. 5. What is the total cost of 1apple, 1bananaand 1 orange?

Total cost of 3 apples, 2 bananas and 1 orange is Rs.10 and total cost of 2 apples, 3 bananas and 4 oranges is Rs. 5. What is the total cost of 1 apple, 1 banana and 1 orange?

  • Option 1)

    4

  • Option 2)

    5

  • Option 3)

    3

  • Option 4)

    2

 
Answers (1)
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Let cost of apple, banana and orange are X,y and Z

Then 

3x+2y+z=10-(i)

2x+3y+4z=5-(ii)

Total cost :(x+y+Z)=

Add (i) and (ii)

5x+5y+5z=15

5(x+y+z)=15

x+y+z=3

 


Option 1)

4

This solution is incorrect 

Option 2)

5

This solution is incorrect 

Option 3)

3

This solution is correct 

Option 4)

2

This solution is incorrect 

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