A certain sum of money lent at simple
interest amounts to 9360 in 2-years
and to 711,088 in 4-years. Find the sum
and the rate of interest.
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Answered by
2
Step-by-step explanation:
Amount after 2 years =Rs.9360
Amount after 3 years =Rs.711,088
Therefore,
S.I. of 1 year =711,088−9360=Rs.701,728
⇒ S.I. of 2 years =701728×2=Rs.1,403,456
Principal sum =9360−1,403,456=Rs.1,394,096
Therefore,
S.I.= prt/100
701,728=1,394,096*r*1/100
R=701,728*100/1,394,096
R=50.33570142
Therefore,
R=50%
Answered by
1
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