A certain sum of money, placed out at compound interest , amount to 6,272 in 2 years and 7,024 in 3 years. Find more he rate of interest and the sum of money.
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Answered by
16
Given
in 2 yr amount =₹6272
In 3 yr amount =₹7024. 64
One is interest=7024.64-6272
=752.64
Interest =pxrxt /100
752.64=6272 x R x 1/100
R=
R=12%
Now
A=p(r+1/100)^t
6272=p(1+12/100)²
6272=p(112/100)²
6272=px1.2544
P=6272/1.2544
P=₹5000
Rate of interest =12%
Sum=₹5000
This is ur ans hope it will help you in case of any doubt comment below
in 2 yr amount =₹6272
In 3 yr amount =₹7024. 64
One is interest=7024.64-6272
=752.64
Interest =pxrxt /100
752.64=6272 x R x 1/100
R=
R=12%
Now
A=p(r+1/100)^t
6272=p(1+12/100)²
6272=p(112/100)²
6272=px1.2544
P=6272/1.2544
P=₹5000
Rate of interest =12%
Sum=₹5000
This is ur ans hope it will help you in case of any doubt comment below
tushi88:
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Answered by
4
Answer:
Given
in 2 yr amount =₹6272
In 3 yr amount =₹7024. 64
One is interest=7024.64-6272
=752.64
Interest =pxrxt /100
752.64=6272 x R x 1/100
R=
R=12%
Now
A=p(r+1/100)^t
6272=p(1+12/100)²
6272=p(112/100)²
6272=px1.2544
P=6272/1.2544
P=₹5000
Rate of interest =12%
Sum=₹5000
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