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At the rate of p.a. simple interest, a sum of . How much interest will be earned by the end of years?

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answer is B.

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Detailed Solution

Concept- We are given the values of principal amount

, rate of interest

and time period i.e.,

years. We have to find the simple interest. Direct use the formula of simple interest,

and put the given values.
Given that,
Rate of interest,

Principal amount,

Time period,

Using Simple interest formula,

Therefore, the interest earned by the sum of

years is

.
Hence, the correct answer is option (2).

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