If Rs40000 amounts to Rs46305 in 1 1/2 years, compound interest payable half yearly, find the rate of interest per annum.

A=46305

P=40000

T=3/2 years

the formula for compound interest half yearly is

sub and find R

A=46305

P=40000

T=3/2 years

the formula for compound interest half yearly is

sub and find R