A person A purchased some pens for Rs. 350 and sold them for Rs. 450. Another person B purchases some pens for Rs. 540 and sold them for Rs. 660. Then the difference between their profit percents is
Solution
Profit percentage of A = $$\frac{100}{350}\times100$$ = $$\frac{2}{7}\times100$$%
Profit percentage of B = $$\frac{120}{540}\times100$$ = $$\frac{2}{9}\times100$$%
Difference = $$\frac{2}{7}\times100-\frac{2}{9}\times100$$ = $$\frac{400}{63}$$
Hence, the correct answer is Option A
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