A sum of money doubles itself in 6 years at compound interest. In how many years will it become 8 times itself?

A. 18 years

B. 12 years

C. 24 years

D. 42 years

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

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Answer: A. 18 years

Answer: (A) 18 years

8 = 2³, so it needs three doubling periods: 3 × 6 = 18 years.

Trap: 42 years is what you get by treating it as simple growth (100% in 6 years, so 700% needs 42 years).

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

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