A certain sum amounts to Rs. 21,500 in 2 years and Rs. 31,104 in 4 years at the same rate
compounded annually. Find the rate and the sum.
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Answer:
Step-by-step explanation:
C.I.−S.I.=18
(P(1+
100
R
)
n
−P)−(
100
P×R×n
)=18
Given:-
P=?
R=6%
n=2 years
P(1+
100
6
)
2
−P−
100
P×6×2
=18
P(
100
106
)
2
−P−
25
3P
=18
1.1236P−P−0.12P=18
0.0036P=18
P=
0.0036
18
=5000
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