Question

on what sum of money does the difference between the simple interest and compound interest in 2 years at 5% per annum is Rs 15

Answer 1

let sum be x
then s.i =x*(5*2/100)
=x/10
& c.i =x((1+5/100)²-1)
=x*(41/400)
then
41x/400-x/10=15
or x=6000...........(ans)