A sum of money place at compound interest doubles itself in 6 years.
A sum of money place at compound interest doubles itself in 6 years. In how many years will it amount to eight times itself?
Answer/Solution
18 years
Steps/Work
100 ---- 200 ---- 6
400 ---- 6
800 ---- 6
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18 years
Answer: D
400 ---- 6
800 ---- 6
------
18 years
Answer: D