Question

Some toffees are bought at the rate of 11 for ₹ 10 and the same number at the rate of 9 for ₹10. If the whole lot is sold at 1 rupee per toffee, find the gain or loss in the whole transaction .
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Answer 1

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Explanation:

Suppose 99 toffees of each type are purchased i.e total number toffees will be 198.

Cost of 99 toffees bought at the rate of 11 for Rs 10 = 10*99/11 = Rs. 90

Cost of 99 toffees bought at the rate of 9 for Rs 10 = 10*99/9 = Rs. 110

So total 198 toffees are bought for 99+110= Rs. 200

Selling price of 198 toffees sold at one rupee per toffee = Rs.198

Thus there is loss of Rs. 2

Loss % = (2/200) * 100 = 1 %

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