A shop offers "Buy 4, get 1 free". What is the effective discount percent?

A. 18%

B. 15%

C. 20%

D. 25%

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

1 answer

Best answer

Answer: C. 20%

Answer: (C) 20%

The customer gets 5 items for the price of 4. Discount = 1 item out of 5 = 20%.

Trap: 1/4 = 25% divides by the items paid for instead of the items received.

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

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