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Question : A man buys 15 pens for a rupee. How many pens should he sell for a rupee to earn a profit of 50 percent?

Option 1: 6

Option 2: 8

Option 3: 10

Option 4: 12


Team Careers360 19th Jan, 2024
Answer (1)
Team Careers360 23rd Jan, 2024

Correct Answer: 10


Solution : The man buys 15 pens for a rupee, so the cost price of each pen is $\frac{1}{15}$ rupees.
To earn a profit of 50%, the selling price of each pen should be $\frac{1}{15} ×\frac{150}{100}= \frac{1}{10}$ rupees
If in $\frac{1}{10}$ rupees he sells 1 pen, then in Re. 1, he sells 10 pens.
Hence, the correct answer is 10.

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