Question

WIUNIL 2. Hari borrowed * 450 from his friend at 6% per annum. He returned the amount after eight months. How much money did he pay? 3.​

Answer 1

Step-by-step explanation:

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Answer 2

Answer :-

• Hari paid Rs 468 to his friend after eight months.

To find :-

• The amount Hari paid to his friend.

Solution :-

• Here, the principal, rate and time are given to us. We have to find the total amount Hari paid to his friend after 8 months. For this, we first have to find the simple interest on the principal!

We know that :-

$\bigstar \: \underline{ \boxed{\sf SI = \dfrac{Principal \times Rate \times Time}{100}}}$

Where,

• SI = Simple Interest.

Here,

• Principal = Rs 450.
• Rate = 6% per annum.
• Time = 8 months = 8/12 years.

Therefore,

$\longmapsto \rm SI = \dfrac{450 \times 6 \times 8}{100 \times 12}$

Cancelling the zeroes,

$\rm \longmapsto SI = \dfrac{45 \times 6 \times 8}{10 \times 12}$

Cancelling the numbers,

$\rm\longmapsto SI = \dfrac{9 \times 1 \times 2}{1 \times 1}$

$\rm \longmapsto SI = \dfrac{18}{1}$

$\rm \longmapsto SI = Rs \: 18$

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• Now let's find the amount Hari paid to his friend!

We know that :-

$\bigstar \: \underline{ \boxed{\sf Amount = Principal + SI}}$

Where,

• SI = Simple Interest.

Here,

• Principal = Rs 450.
• Simple Interest = Rs 18.

Therefore,

$\bf Amount = 450 + 18$

$\bf Amount = Rs \: 468$

Hence :-

• Hari paid Rs 468 to his friend.

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