Question

how long will it take rs4000 to earn an SI of rs2700 at 9% per annum.
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Answer 1

Answer:

8.4375 years

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Answer 2

Given,

Principal amount = Rs 4000

Final amount/ Simple Interest = Rs 2700

Interest Rate = 9%

To Find,

Time period =?

Solution,

We can solve the question using the following steps:

We know,

$S.I. = \frac{P*R*T}{100}$

Here, $S.I. =$ Simple Interest/ Final amount

$P =$ Principal Amount

$R =$ Interest rate

$T =$ Time period

Substituting the given values in the above formula,

$2700 = \frac{4000*9*T}{100}$

$\frac{270000}{36000} = T$

$7.5 =T$

Hence, it will take 7.5 years for Rs 4000 to earn an S.I. of Rs 2700 at 9% per annum.