A sum of Money doubles itself at compound interest in 10years. In how many years will it become eight times

CA Foundation · Quantitative Aptitude · MTP · May 2026
A sum of Money doubles itself at compound interest in 10years. In how many years will it become eight times
(A) A. 10
(B) B. 30
(C) C. 20
(D) D. 40

Suggested Answer and Working Notes:

Correct Answer: Option (B)

B. 30

Topics: Part-A: Business Mathematics

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