A shopkeeper cheats by 20% both while buying and while selling: he takes 20% more goods than he pays for, and gives 20% less than he charges for. What is his overall profit percent?

A. 40%

B. 50%

C. 20%

D. 44%

Doubtly AI Asked 27 Oct 2026 AI-generated · not yet verified ssc cgl Save WhatsApp Report

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Answer: B. 50%

Answer: (B) 50%

For ₹100 he receives 120 units of goods. He sells each 80 units as if they were 100.

So 120 units bring \(120 \times \frac{100}{80} = 150\). Profit = 50%.

Shortcut: \(\frac{100 + 20}{100 - 20} = \frac{120}{80} = 1.5\), i.e. 50% profit.

Doubtly AI · 27 Oct 2026 AI-generated · not yet verified Report

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