Question 51

Parikh sold his pen at a profit of ₹11. He calculated the profit percentage on selling price and found it to be 25%. The cost price (in ₹) of the pen is:

Solution

Parikh sold his pen at a profit of ₹11. He calculated the profit percentage on selling price and found it to be 25%.

profit % = $$\frac{profit}{selling\ price}\times\ 100$$

$$25 = \frac{11}{selling\ price}\times\ 100$$

$$\frac{25}{100}=\frac{11}{selling\ price}$$

$$\frac{1}{4}=\frac{11}{selling\ price}$$

selling price = 44

cost price = selling price - profit

= 44-11

= ₹33

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