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In how many years a certain sum double itself at 4% per annum simple interest?
Question

In how many years a certain sum double itself at 4% per annum simple interest?

A.

15

B.

20

C.

30

D.

25

Correct option is D

Used formula

T= 100/R

R=4%

required time = ?

T=100/4

=25 വർഷങ്ങൾ 

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