Question

In how many years will a sum of 4200rs amount to 5082rs at 7% per annum simple interest.​

Answer 1

Answer:

3 years

Step-by-step explanation:

sum = 4200

s.i.= 5082 - 4200= 882

let years be X

so,

882 = 4200×7×X

100

882 = 42×7×X

882 = 7×X

42

21 = 7×X

21 = X

7

3 = X

X = 3