Question

In what time will rupees 1000 amount to rupees 1331 at 10 percent per annum compound intrest

Answer 1

it's your required answer....

Answer 2

no. of years = n
total amount= 1331
1331 = 1000*(1+(10/100))n
1331/1000 =( 100+10 /100) n
(11/10)^3=110/100 * n
(11/10)^3 = (11/10) * n
n = 3 years