A sum of money at compound interest doubles itself in 15 years. It will become eight times of itself

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6.Interest

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A sum of money at compound interest doubles itself in $15$ years. It will become eight times of itself in (In $years$)

A

$45$

B

$48$

C

$54$

D

$60$

Solution

(a) It becomes 2 times in 15 years.

It becomes 4 times in 30 years.

It becomes 8 times in 45 years.

Standard 13

Quantitative Aptitude

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