Question

Vankatlal takes money from the Employees Cooperative Society at lower rate of interest and invests in a scheme, which gives him a compound interest of 20%, compounded annually. Find the least number of complete years after which his sum will be more than double.

Answer 1

x(1+r/100)^n=1/5p

Answer 2

n=3 years

Answer 3

@theEric

Answer 4

the formula is
C=p(1+r)^n

Answer 5

given c=2p
n=?

Answer 6

3