An amount at compound interest doubles itself in 4 years. In how many years will the amount becomes 8 times itself?


A) 8 Years

B) 12 Years

C) 16 Years

D) 24 Years

Correct Answer:
B) 12 Years

Description for Correct answer:
Because, Time taken to be doubles of itself = 47 years

Time taken to be eight times of itself = \( \Large 4 \times 3 \) = 12 years.

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