Question

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14. A sum of money doubles itself in 6 years. What
is the rate of interest?
(a) 15.00%
(b) 15.50%
(c) 16.67%
(d) 17.00%​

Answer 1

Answer:

let the sun will be x

when amount 2x

Then P=x,A=2x,SI=A -P=X

T= 6years

R =(100/x ✖ 26/6)P.A =50/3 percent

Hope it will help you