Question

13. Find the amount and the compound interest on 20.000 for 12 years at the rate of 8% p.a.compounded half-yearly

Answer 1

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Here P=20,000 Rs., n=3 years, R=8

Amount(A)=P(1+100R)n

                     =20000(1+1008)3

                     =20000(2527)3

                     =25×25×2520000×(27)3

                     =2532×(27)3

                     =25,194.24 Rs.

Compound interest(C.I)=A−P=25,194.24−20,000=5,194.24

Hence, the compound interest is Rs. 5,194

Answer 2

Step-by-step explanation:

A=p(1+r/100) ^12

A=20000(1+8/100) ^12

A=20000(1+0.08) ^12

=20000(1.08) ^12

=20000×2.52

=50400

C. I. = A-P

=50400-20000

=30400.