Question

Some chocolates are bought at the rate of 11 for 10 and the same number at the
rate of for 10. If the whole lot is sold at one rupee per chocolate, find the gain or
loss percent on the whole dealing
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Answer 1

Answer:

11 chocolates were bought for ₹ 10, so 99 chocolates were bought for = ₹ 1011×99=90 . Therefore, the cost price of the first 99 chocolates is ₹ 90. 9 chocolates were bought for ₹ 10, so 99 chocolates were bought for = ₹ 109×99=110 . Therefore, the cost price of the last 99 chocolates is ₹ 110.