Question

2. Find the amount and C.I. if the interest is
compounded quarterly.
(a) Principal = 8000, Rate = 16%
Time = 9 months
(b) Principal = 20000, Rate = = 16%
Time = 6 months
(c) Principal = * 28000, Rate = 12% per annum
Time = 9 months
1​

Answer 1

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Answer 2

Answer:

We know formula for compound interest compounded quarterly

Amount=P(1+nr)nt

CompoundInterest=Amount−Principal

Given,

principal=Rs8000

Time=9months=9/12months

Rate=20%

=8000(1+4.2)129×4

=8000(1+0.05)3

 =8000(1.05)3

=8000×1.15762=9261

Amount is Rs9261

Compound interest will be=(9261-8000)=Rs1261

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