compound Interest
135
Rate% p.a.
Find the compound interest on the following:
EXERCISE 9 (A)
Principal
Number of years
1. * 10000
12%
2
2. 5000
10%
2
3. Find the amount and compound interest on a sum of 15625 at 4% per annum for 3 years compounded
annually
4. Shankar takes a loan of 10,000 at a compound interest rate of 10% per annum (p.a.)
(i) Find the compound interest after one year.
(ii) Find the compound interest for 2 years.
(iii) Find the sum of money required to clean the debt at the end of 2 years.
(iv) Find the difference between the compound interest and the simple interest at the same rate for 2 y
Multiple Choice Questions (MCQs)
6. What is the difference between the com
5. If the simple interest on a sum at 4% per annum
interest and simple interest on 8000 at 1
for 2 years is 80, then the compound interest
annum for 2 years?
on the same sum for the same period is
(a) 86.80
(b) *86.10
(a) * 280
(b) 100
(c) 88.60
(d)*81.60
(c) 180
(d) No differe
Compound Interest Formula
The arithmetic involved in working out compound interest can be quite complicated when th
both are large.
hich
Answers
Answered by
0
Answer:
P=Rs. 10000
T=12mon =1 year
R=10% p.a.
Compounded half yearly
n=2
∴A=P[1+
n
R
]
nT
=10000[1+
2
10
]
2×1
=10000[
2
12
]
2
=10000×6×6
A=360000
C.I=A−P
=Rs. (360000−10000)
=Rs. 260000.
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