Question

find the difference between compound interest on 15000 for 2 years at 20% par annum compounded annually and semi annually ​

Answer 1

Step-by-step explanation:

.I=

100

P×r×T

=

100

15000×r×2

=300r

C.I=15000[(1+

100

r

)

2

−1]=15000[1+

10000

r

2

+

100

2r

−1]=1.5r

2

+300r

C.I−S.I=96

⇒1.5r

2

+300r−300r=96

⇒1.5r

2

=96

⇒r

2

=

1.5

96

=64

∴r=8⇒rate=8%

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Answer 2

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