72. If 11 oranges are bought for Rs. 10 andsold 10 oranges for Rs. 11.

1.	72. If 11 oranges are bought for Rs. 10 andsold 10 oranges for Rs. 11. What is thegain in percentage?
Answer» Cost price of 11 oranges CP = Rs 10 Selling price of 10 oranges = Rs 11Selling price of 11 oranges SP= 1111/10 = 121/10 = 12.1 Gain Percentage = [(SP - CP) /CP]100= [(12.1 - 10)/10]100= 2.110= 21% when 3 lemons are bought for Rs 4 and 4 lemons are sold for Rs 3 what will be loss

72. If 11 oranges are bought for Rs. 10 andsold 10 oranges for Rs. 11. What is thegain in percentage?

Answer»

Cost price of 11 oranges CP = Rs 10

Selling price of 10 oranges = Rs 11Selling price of 11 oranges SP= 11*11/10 = 121/10 = 12.1

Gain Percentage = [(SP - CP) /CP]*100= [(12.1 - 10)/10]*100= 2.1*10= 21%

when 3 lemons are bought for Rs 4 and 4 lemons are sold for Rs 3 what will be loss