Simple Interest Practice Test 1

Question : 6 of 40

Marks: +1, -0

The simple interest on a certain sum of money is

25 /64

of the sum and the number of years equals the rate per cent p.a. The rate per cent p.a. will be :

Solution:

Let, R = T = x; then

25/64P={P×x×x}/100

⇒x^2={25×100}/64

x=25/4

R=6 1/4%

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