Question

A man earns RS 147 as interest after 3 years at 7% per annum. how much did he invest?

Answer 1

Given,
Simple interest = 147 .
Time = 3 years
Rate of interest = 7% .

S. I = PTR / 100

147 = P(3)(7)/100

14700/21 = P


P = 700 rupees .

Therefore, The amount invested was 700 rupees.

Answer 2

given,
s.i.=147
r=7
t=3
=si=prt/100