Question

P=₹5400, R=?, T=3years, SI=?, A=₹6210

Answer 1

A = S.I + P
S.I = A - P
S.I = 6210-5400
S.I = 810

Now,
S.I = PRT/100
S.I = 5400×R×3/100
S.I = 16200R/100
S.I = 162R
810 = 162R
R = 810/162
R = 5