Question

Find the simple interest and amout ..
P= 30000
R= 10%
T= 5 years ​

Answer 1

The simple interest is Rs. 15000

and

The amount is Rs. 45000.

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Let's understand a few concepts:

To calculate the simple interest we will use the following formula:

$\boxed{\bold{Simple\:Interest = \frac{Principal \times Time\times Rate}{100} }}$

To calculate the amount in simple interest we will use the following formula:

$\boxed{\bold{Amount = Principal + S.I.}}$

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Let's now solve the given problem:

The sum of money i.e., Principal = Rs. 30,000

The no. of years i.e., Time = 5 years

The rate of interest i.e., Rate = 10% p.a.

By substituting the given values in the above formula of simple interest, we get,

The simple interest is,

= $\frac{30000\times 5\times 10}{100} }}$

= $300\times 5\times 10$

= $\bold{Rs.\:15000}$

Now, by using the above formula of the amount of simple interest, we get,

The amount is,

= $Principal + S.I.$

= $Rs. \:30000 + Rs.\: 15000$

= $\bold{Rs.\:45000}$

Thus, the simple interest is Rs. 15000 and the amount is Rs. 45000.

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Answer 2

Given:

Principal = Rs. 30000

Time period = 5 years

Rate of Interest = 10 %

To find:

Simple interest and amount.

Solution:

The formula for simple interest is,

Simple interest, S.I = ( P×R× T) /100

P = Principal sum

R = Rate of interest

T = Time period

On putting the values of Principal sum, rate, and time in the formula for simple interest, we get,

S.I. = (30000 × 10 × 5) /100

S.I. = Rs. 15000

The formula for amount, A = P + S.I

Where P = principal

S.I = Simple interest

A= 30000+ 15000

Amount A = 45000

The simple interest is Rs. 15000.

The amount is Rs. 45000.