Question

Find CI on Rs 8,000 for 1 year at 9% per annum compounded half yearly.

Answer 1

Amount = Principal ( 1+ r/(100×n) )^(nt)


here n = compounding intervals
t= time in years
r= rate


So

A= 8000(1+ 9/(100×2) )^(1×2)
= 8000(209/200)^2
= Rs 8736.2

CI =A-P
=8736.2 -8000
=Rs 736.2

Answer 2

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Refer the attachment.