Question

A sum of money doubles itself at the compound interest x

Q: Answer-A sum of money doubles itself at the compound interest x in 10 years. In how many years it will be f...

ATQ, Given Money doubles in 10 years at compound interest. We use the formula 2 1r Now, we need to find when the money becomes 4 times 41r Since 4 2, we substitute 2 1r - 41r So, t 20 years. Hence, the money will become 4 times in 20 years.

in 10 years. In how many years it will be four times at the same compound interest?

A 15

B 20

C 25

D 30

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Supreme Court of India (Junior Court Assistant)

A sum of money doubles itself at the compound interest x

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