Find the amount and compound interest on 15000 for 1 ½ years at 10%
per annum compunded half yearly.i
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8th
Maths
Comparing Quantities
Compound Interest
Calculate the amount and co...
MATHS
Calculate the amount and compound interest on
i) Rs.15000 for 2 years at 10% per annum compounded annually.
ii) Rs. 156250 for 1
2
1
years at 8% per annum compounded half yearly.
iii)Rs. 100000 for 9 months at 4% per annum compounded quarterly.
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ANSWER
(i)
A=P(1+
100
r
)
n
=15000(1+
100
10
)
2
=Rs18150
CI=A−P=Rs3150
(ii)
A=P(1+
100
r/m
)
n∗m
=156250(1+
100
8/2
)
1.5∗2
=Rs175760
CI=A−P=Rs19510
(iii)
A=P(1+
100
r/m
)
n∗m
=100000(1+
100
4/4
)
0.75∗4
=Rs103030.1≈Rs103030
CI=A−P=Rs3030
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Answered by
2
ANSWER
(i)
A=P(1+
100
r
)
n
=15000(1+
100
10
)
2
=Rs18150
CI=A−P=Rs3150
(ii)
A=P(1+
100
r/m
)
n∗m
=156250(1+
100
8/2
)
1.5∗2
=Rs175760
CI=A−P=Rs19510
(iii)
A=P(1+
100
r/m
)
n∗m
=100000(1+
100
4/4
)
0.75∗4
=Rs103030.1≈Rs103030
CI=A−P=Rs3030
(i)
A=P(1+
100
r
)
n
=15000(1+
100
10
)
2
=Rs18150
CI=A−P=Rs3150
(ii)
A=P(1+
100
r/m
)
n∗m
=156250(1+
100
8/2
)
1.5∗2
=Rs175760
CI=A−P=Rs19510
(iii)
A=P(1+
100
r/m
)
n∗m
=100000(1+
100
4/4
)
0.75∗4
=Rs103030.1≈Rs103030
CI=A−P=Rs3030
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