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Byju's Answer
Standard VIII
Mathematics
CI
What sum will...
Question
What sum will become
R
s
2025
in
2
years at
12.5
%
per annum compound interest?
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Solution
For a given principle
(
P
)
invested at
r
%
for a time period of
n
years at compound interest per annum given an amount (A)
⇒
A
=
p
(
1
+
r
100
)
n
here,
A
=
R
s
.
2025
r
=
12.5
%
n
=
2
y
e
a
r
⇒
2025
=
p
(
1
+
12.5
100
)
2
⇒
2025
=
p
(
1125
1000
)
2
⇒
2025
=
p
×
1.265625
⇒
p
=
2625
1.265625
=
1600
∴
R
s
.1600
will yield
R
s
.2025
when invested at
12.5
%
for
2
y
e
a
r
compund interest.
Hence, the answer is
R
s
.1600
.
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