Question

In how many years will a sum amount 2*1/2 times itself at 9% p.a compound interest payable?

Answer 1

Let P=Rs. x

A=Rs. 2x

∴S1=Rs x

S1=

100

PTR

or, x=

100

x×T×12

or, T=

3

25

year

=

8 year4 months