A sum of money put at 11% per annum amounts to RS.4491 in 2 years 3 months what will it amount to in 3 years at the same rate?
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T = 2 years 3 months =2+
12
3
=2+
4
1
=
4
9
Let P be the principle amount
A=P+
100
PRT
4491=P(1+
4×100
11×9
)
4491=P(1.2475)
⇒ P = 3600 Rs.
SI=
100
3600×11×3
=1188Rs.
A = 3600 + 1188 = 4788 Rs.
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