SSC CGL 9 Aug 2015 Shift 1 Paper

Question : 126 of 200

Marks: +1, -0

In certain years a sum of moneyis doubled to itself at 6

1/4

% simple interest per annum, then the required time will be

Solution:

According to the question,
If principal be Rs. x, then
S.I. = Rs. x
∴ Time =

{S.I.×100}/{\Principal×\Rate}

{x×100}/{x×{25}/4}

{400}/{25}

= 16 years

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