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Standard VIII
Mathematics
Formula for CI
Question
Calculate compound interest on Rs
2000
for
2
years at the rate
5
%
105
200
205
2205
A
205
B
2205
C
105
D
200
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Solution
Verified by Toppr
For the first year,
P
=
R
s
.
2000
,
R
=
5
%
so, I =
P
×
R
×
T
100
=
R
s
.
2100
×
5
×
1
100
=
R
s
.
105
The amount after the second year =
R
s
.
2100
+
R
s
.
105
=
R
s
.
2205
Final amount =
R
s
.
2205
Hence, Compound Interest = final amount - original amount
=
R
s
.
2205
−
R
s
.
2000
=
R
s
.
205
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