Question

find the compound interest on 15625 at 16% per annum for 9 month when compounded quarterly

Answer 1

Principle is 15625
Rate of interest is 16% per year =4% quarterly
Time is 9months= 3 quarters
Solution:- 15625(1+4÷100)to power3
=15625(1+1÷25)to power 3
=15625(26÷25)to power 3
=15625x26/25x26/25x26/25
=by dividing all 25 by 15625
=26x26x26
=17576

Answer 2

Principle=15625

Rate of interest=16%

per year =4% quarterly

Time=9months=

3 quarters

Sol:- 15625(1+4÷100)^3

=15625(1+1÷25)^ 3

=15625(26÷25)^3

=15625x26/25x26/25x26/25

= 25×25 ×25÷15625=0

=26x26x26

=17576ans