A certain sum of money amounts to Rs. 6,500 in 3 years and Rs. 5,750 in 11/2 years respectively. Find the principal and the rate percent?
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6500=A((100-p)/100)^3
5750=A((100-p)/100)^(11/2)=A((100-p)/100)^(5.5)
6500/5750=((100-p)/100)^(-2.5)
((100-p)/100)^(2.5)=5750/6500=0.88461538461538461538461538461538
100-p=(100)(0.9521421588298384)=95.21421588298
p=100-95.21421588298384=4.785784117
the rater percent is 4.76% (the amount is decreased)
The amount is 7530
used calculator for calculations
5750=A((100-p)/100)^(11/2)=A((100-p)/100)^(5.5)
6500/5750=((100-p)/100)^(-2.5)
((100-p)/100)^(2.5)=5750/6500=0.88461538461538461538461538461538
100-p=(100)(0.9521421588298384)=95.21421588298
p=100-95.21421588298384=4.785784117
the rater percent is 4.76% (the amount is decreased)
The amount is 7530
used calculator for calculations
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