Question

If a certain sum of money becomes doubles at simple interest in 12 years, what would be the rate of interest per annum?
A.8(1/3)
B.10
C.12
D.14

Answer 1

Heya !

Here is your answer =>

Answer : option A

Let,

Principal, P = Rs. 100;

Amount, A = Rs. 200;

Time = 12 years;

Interest = Rs. 100;

Rate of interest = total interest / given time = 100/12 = 8(1/3)%.

Hope this helps you

Answer 2

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[A] $\bf {\underline{Answer}}$

Principal = 100
Time = 12

Rate of interest = 100/12 = 8(1/3)

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