govind borrows Rs 18000 at 10% simple interest . he immediately invests the money borrowed at 10% compound interest compounded half yearly . how much money does govind gain in one year?
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P=18000rs
R=10%
T=1 year
S.i. =P *R*T/100
18000*10*1/100=1800rs
Compounded halfyearly
P =18000 rs
T=2 half years
R=5%
A=p[1+r/100]^t
=18000[1+5/100]^2
=18000[21/20]^2
=18000*21*21/400
=45*441=19845rs
C.i.=19845-18000=1845rs
Money he gained =1845-1800=45rs
R=10%
T=1 year
S.i. =P *R*T/100
18000*10*1/100=1800rs
Compounded halfyearly
P =18000 rs
T=2 half years
R=5%
A=p[1+r/100]^t
=18000[1+5/100]^2
=18000[21/20]^2
=18000*21*21/400
=45*441=19845rs
C.i.=19845-18000=1845rs
Money he gained =1845-1800=45rs
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