Question

what sum of money will earn an interst of$162 in 3 years at the rate of 12%per annum?​

Answer 1

Answer:

Amount = $670.32

Step-by-step explanation:

Amount = Principal + Interest

Interest = Principal * Rate Of Interest * Year / 100

Amount = $162 + (162*3*12 / 100)

Amount = $612 + $58.32

Amount = $670.32

Answer 2

Given :-

• Interest = Rs,162
• Time = 3years
• Rate = 12% per annum

To Find :-

• What sum of money he will earn (Principal)

Solution :-

${:} \longrightarrow \sf{\sf{Interest \: = \:\dfrac{Principal \: \times \: Rate \: \times \: Time}{100} }}\\\\ {:} \longrightarrow \sf{\sf{162\: = \:\dfrac{Principal \: \times \: 12 \: \times \: 3}{100} }}\\\\{:} \longrightarrow \sf{\sf{ \dfrac{162 \: \times \: 100}{12 \: \times \: 3} \: = Principal }}\\\\ {:} \longrightarrow \sf{\sf{ \dfrac{16200}{36} \: = Principal }}\\\\ {:} \longrightarrow \sf{\bf{450 \: = Principal }}$

So, He will Earn Rs,450.

________________