Question 68

A shopkeeper marks the price of an article at Rs. 320. Find the cost price if after allowing a discount of 10%, he still gains 20% on the cost price.

Solution

Let the cost price be x.

A/c to question , after allowing a discount of 10%, he still gains 20% on the cost price .

$$\frac{90}{100} \times marked price = \frac{120}{100} \times cost price$$

$$\frac{90}{100} \times 320 = \frac{120}{100} \times x$$

x = 240

So, the answer would be option a)Rs. 240

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