In how many years will rs.8000 amount to rs.9261 at 5% per annum compounded annualy ?
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Amount=9261
Principle=8000
rate=5 percent
a=p×(1+r/100)^n
9261=8000 (1+5/100)^n
9261/8000=(21/20)^n
hence 9261 is the cube of 21 and 8000 is the cube of 20,then
(21/20)^3=(21/20)^n
.
. . n=3 years
time =3 years
Principle=8000
rate=5 percent
a=p×(1+r/100)^n
9261=8000 (1+5/100)^n
9261/8000=(21/20)^n
hence 9261 is the cube of 21 and 8000 is the cube of 20,then
(21/20)^3=(21/20)^n
.
. . n=3 years
time =3 years
aditya2543:
thanks
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