a sum of money becomes 7/5 of itself in 5 years at a certain rate of simple interest find the rate percent
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Let the principal be P.
A/Q A = 8/5P
Given T=5years
WKT, SI = A-P
= 8P/5 -P
SI =3P/5
Again ,
SI =PRT/100
3P/5=PRT/100
3/5=5R/100
R=3*20/5
R=3*4
R=12.
The required rate of interest is 12%.
A/Q A = 8/5P
Given T=5years
WKT, SI = A-P
= 8P/5 -P
SI =3P/5
Again ,
SI =PRT/100
3P/5=PRT/100
3/5=5R/100
R=3*20/5
R=3*4
R=12.
The required rate of interest is 12%.
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Answered by
3
Answer:
Let the principal be P.
A/Q A = 8/5P
Given T=5years
WKT, SI = A-P
= 8P/5 -P
SI =3P/5
Again ,
SI =PRT/100
3P/5=PRT/100
3/5=5R/100
R=3*20/5
R=3*4
R=12.
The require rate of interest is 12%
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