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By selling 200 pens, a shopkeeper gains the selling price of 40 pens. Find the gain percentage.
Question

By selling 200 pens, a shopkeeper gains the selling price of 40 pens. Find the gain percentage.

A.

25%

B.

30%

C.

35%

D.

20%

Correct option is A

Given:

Gain of selling price of 40 pens by selling 200 pens

Formula Used:

Profit = SP - CP

Profit percentage =ProfitCP×100 \frac{Profit}{CP} \times 100​​

Solution:

Here let the selling price of one pen be ₹1

Then selling price of 200 pen = ₹200

Profit = selling price of 40 pens = ₹40

Cost Price = SP - Profit = 200 - 40 = 160

Profit percentage =40160×100=25% \frac{40}{160} \times 100 = 25\%​​

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