Question : A man buys 13 pens for a rupee. How many pens should he sell for a rupee to earn a profit of 30%?
Option 1: 8
Option 2: 10
Option 3: 5
Option 4: 15
Answer (1)
21st Jan, 2024
Correct Answer: 10
Solution :
A man buys 13 pens for a rupee.
1 rupee = 100 paise
For a profit of 30%, he sells 13 pens in 100 + 30 = 130 paise
So, in 100 paise, the number of pens he sells $=\frac{13}{130}×100=10$
Hence, the correct answer is 10.
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