Question

1. A dealer buys some pens from a wholesaler at the rate of 30 per pen and marked them at 40 each. How much discount he should allow to get a profit of 20 percent
It's answer is 4 rupees
please explain
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Answer 1

Answer:

Correct

Step-by-step explanation:

He got each pen for 30 rupees

He sells each pen for 40 rupees

Then his profit =40-30

=10 rupees

Convert ₹ 10 into 100 %

So rupees ₹4 = 20% of 100%