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If the cost of two pens and three books ...

If the cost of two pens and three books is ₹ 69 and that of three pens and two books is ₹ 66. Find the difference in the cost of each book and each pen. ( in ₹)

A

6

B

3

C

0

D

9

Text Solution

Verified by Experts

The correct Answer is:
b
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PEARSON IIT JEE FOUNDATION-LINEAR EQUATIONS AND INEQUATIONS -CONCEPT APPLICATION (LEVEL - 1)
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  8. Sixteen years hence a man's age will be 9 times his age 16 years ago. ...

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  10. The value of x which satisfies the equation (2)/(3x-2) = (3)/(x-6) is

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  13. The sum of the digits of a two-digit number is 9. If 27 is subtracted ...

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  14. The equation (1/x) + (1/y) = 15, and (1/x) – (1/y)= 5 are such that a...

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  15. Ravi's age now is (1)/(5) th of his father's age. After 20 years if hi...

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  17. If (2x+1)/x lt2, then what is the range of x

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  18. If (3)/(x-4) lt 0, then what is the range of x ?

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  19. Find the values of x and y, which satisfies the simultaneous equation...

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