Question

A shopkeeper purchased 25 balls at 7 to per ball and sold them for 7500. find his profit per cent​

Answer 1

No. of balls sold = 25

Cost of 1 ball = ₹7

Cost of 25 balls = ₹7 × 25

                          = ₹175 (Cost Price)

The shopkeeper sold all the balls for = ₹7500 (Selling Price)

Profit = Selling Price - Cost Price

         = ₹7500 - ₹175

         = ₹7325

Profit% = $\frac{7325}{175}$×100

            = 209.285714286

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