18. At what rate per cent per annum will * 3600 amount to 4734 in 3½ years?
Answers
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Step-by-step explanation:
We have,
P=Rs.3600
A=Rs.4734
T=3
2
1
=
2
7
years
R=?
We know that
A=P+S.I
S.I=
100
PRT
Therefore,
A−P=
100
PRT
4734−3600=
100
3600×R×
2
7
1134=36×R×
2
7
1134=18×R×7
R=9%
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