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Standard VIII
Mathematics
Application of Formula of CI
The annual in...
Question
The annual increase in the population of a state is
2
%
. What was the population of the state two years before if it is
54
,
500
now?
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Solution
Given,
P
=
54500
,
r
=
2
%
,
n
=
2
years
We know,
A
=
P
[
(
1
+
r
100
)
n
]
⇒
A
=
54500
[
(
1
+
2
100
)
2
]
⇒
A
=
56701.80
Hence, the population of the town
2
years is
56701.80
.
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