a sum of money becomes rupees 5070 in 18 months and rupees 5610 in 4 whole 1 upon 2 years find the principlal the rate of interest and amount after 5 years
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Answer:
Given,
A= 5070 Rs
Time = 18 months = 3/2 years
A = P+ SI
5070 = P + PrT /100 --------------(i)
P= Pr× 3 / 100×2
5610 = P +PR × 9/100 × 2 ------------- (ii)
subtracting we get
540= 6rR/ 100
Pr =18000
from equation (i)
5070 = P + 54000/200
P = 5070-270 =4800
r=18000/4800
=> 3.75%
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@GauravSaxena01
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