Question 63

In a certain time, the ratio of a certain Principal and the simple interest obtained from it are In the ratio 10:3 at 10% interest per annum. The number of years the money was invested is

Solution

Let the principal sum = Rs. 10 and interest at 10% = Rs. 3

Let time period = $$t$$ years

=> Simple interest = $$\frac{P\times R\times T}{100}$$

=> $$\frac{10\times10\times t}{100}=3$$

=> $$t=3$$ years

=> Ans - (B)

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