Question

What is the principal sum? I. The sum amounts to rs. 690 in 3 years at s.I. Ii. The sum amounts to rs. 750 in 5 years at s.I. Iii. The rate of interest is 5% p.A?

Answer 1

Let the principle be x
S. I=(x*3*5)/100=(690-x)
115x,=69000
X=6000