Question

what sum of money will amount to rupees 1422 in 3 years at 5% per annum​

Answer 1

Answer→

rs 9480 is required principal amount of money According to the simple interest.

Solution→

As given that :

Amount of money is rs 1422 ; time period is 3 years and Rate per annum is 5%

As we know that formula for Simple interest is :

$si \: \: = > \: \frac{prt}{100}$

we are already given amount we have to find principal,So the formula used will be

$principal \: = > \frac{si \times 100}{rt}$

Principal -> ( 1422 × 100 )/ 5× 3

Principal -> rs 9480 .

Verification

→S.I = PRT /100

→1422. = 9480 × 5 × 3/100

→1422. = 142200/100

→1422. = 1422 .

hence verified.

Answer 2

Hope it solves your problem