Question 67

What will be the ratio of the interests earned by identical sum of money invested at the same rate of simple interest for 6 years and for 15 years respectively?

Solution

As we know thatĀ simpleĀ interest =Ā $$\frac{principal\ amount\times rate\ of\ interest\times time}{100}$$

When theĀ principal amount andĀ the rate of interest are the same in both of the cases thenĀ theĀ ratio of the interests earned in both of the cases will be equal to the ratio of time duration.

So the ratio of the interests earned = 6 : 15

= 2 : 5


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