Q. If the difference between CI and Sl on a certain sum for 2 years at 10% per annum compounded annually is Rs 50 find the sum.
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Answered by
1
ANSWER
SI=
100
PRT
=
100
P×10×2
=
5
P
=0.2P
CI=A−P
=P(1+r)
t
−P
=P((1+0.1)
2
−1)
=P((1.1)
2
−1
2
)
=P(1.1+1)(1.1−1)
=P(2.1)(0.1)
=0.21P
CI−SI=0.21P−0.2P=50
=0.01P=50
=P=
0.01
50×100
=5000Rs.
hope it helps
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