Question

In how many years a sum doubles itself at 4% rate of interest?

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Answer 1

Given :-

Rate = 4%

To Find :-

After how many years it will doubled

Solution :-

We know that

SI = PRT/100

Let

P = x

SI = x

R = 4%

T = t

A = 2x

x = x \times× 4 \times× t/100

100x = 4tx

Cancelling x

100 = 4t

100/4 = t

25 = t

{Time is 25 years}}}

Answer 2

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