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Aptitude Day 357

Problems on Profit and Loss:

1. The profit earned by selling an article for 500 is equal to the loss incurred when the same article is sold for 450. What should be the sale price for making 10% profit?

Solution:
                  500-x = x-450
                  x = 475.

                 Required sale price = 110/100 * 475
                                                 = 522.5.

2. If the cost price of 10 pens is equal to the selling price of 6 pens, the gain percent is:

Solution:
                  Gain percent = 4/6 * 100
                                       = 66.67%.



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