at what rate percent will a sum of rupees 3750 amount 2 rupees 4374 in 2 years if the interest is compounded annually
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given,
A=4374
P=3750
N=2 years
R=?
As we know,
A=P(1+R/100)^2
4374=3750(100+R)^2/10000
4374*1000/375=10000+200R+R^2
11664=10000+200R+R^2
R^2+200R-1664=0
R^2+208R-8R-1664=0
R(R+208)-8(R+208)=0
(R+208)(R-8)=0
Either R+208=0 OR R-8=0
R=-208 OR R=8
Since rate will never be negative so required value of R=8%
Hope this helps :)
A=4374
P=3750
N=2 years
R=?
As we know,
A=P(1+R/100)^2
4374=3750(100+R)^2/10000
4374*1000/375=10000+200R+R^2
11664=10000+200R+R^2
R^2+200R-1664=0
R^2+208R-8R-1664=0
R(R+208)-8(R+208)=0
(R+208)(R-8)=0
Either R+208=0 OR R-8=0
R=-208 OR R=8
Since rate will never be negative so required value of R=8%
Hope this helps :)
Answered by
1
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at what rate percent will a sum of rupees 3750 amount to rupees 4374 in 2 years .if interest is compaunded annually
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