Question

A principal amount at 5% yearly interest rate after 3 yesars earned Rs. 1200
as simple interest, should the rate of interest and duration remain the same
how much will the compound interest be on the principal ?
(a) Rs. 1215 (b) Rs. 1245 (c) Rs. 1261 (d) Rs. 1272
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Answer 1

Answer:

1261

Step-by-step explanation:

S.I=PTR/100

S.I=8000

Now we should take the SI as principal.

C.I=P1(1+R/100)^n-P1

n=time

C.I=8000× 105/100×105/100×105/100

C.I=9261-8000

C.I=1261 Rupees