SSC CHSL Model Paper 11

Question : 69 of 100

Marks: +1, -0

person bought two bicycles for Rs. 1600 and sold the first at 10% profit and the second at 20% profit. If he sold the first at 20% profit and the second at 10% profit, he would get Rs. 5 more. The difference of the cost price of the two bicycles was:

Rs. 50
Rs. 40
Rs. 25
Rs. 75

Validate

Solution:

If the C.P. of first cycle be Rs. x, then C.P. of second cycle = Rs. (1600 - x).

∴{x×120}/100

+{(1600-x)×100}/100

-{x×110}/100

-{(1600-x)×120}/100=5

⇒ 12x + 17600- 11x

- 11x- 19200+ 12x=50

⇒ 2x= 50 + 19200 - 17600

⇒ 2x= 1650 ⇒ x = 825

C.P. of second cycle

= 1600 - 825

= Rs. 775
Difference

= 825 - 775 = \Rs. 50

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