Question

find c.i on rupees 8000 at 5% for 3 years

Answer 1

CI = A-P
= Rs9261 - Rs 8000
= Rs 1261

Answer 2

A = P ( 1 + R/100)³
A = 8000(1 + 5/100)³
A = 8000(105/100)³
A = 8000(21/20)³
A = 8000(21/20)×(21/20)×(21/20)
A = 21*21*21
A= 9261
CI= A - P
CI = 9261-8000= 1261