Question

A sum of money Lent out at simple interest amounts to₹2200 in one year and ₹2800 in 4 years .
Find the sum of money and rate of interest

Answer 1

in one year it is 2200 and in 4 year it is 2800
then SI=600. T=4years. P=2200
r=si*100/p*t
600*100/2200*4
=600*25/2200
75/11
6 9/11%