Find the difference between copound interest and simple interest on a sum of 64000Rs at the rate of 20%p.a. compounded semi-annually for 1and half years.
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Sorry bro iam in class 7 or i don't known compound interest
Sahil2971:
It's ok.
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p= 64000, n=2, r= 20, t=1 and half year = 3/2
A=P{1+(r/100n)}^(nt)
substitute the values
A=85,184
C.I=A-P
C.I = 85184 - 64000
C.I = 21,184
P=64000, n= 3/2, r=20
S.I = Pnr/100
substitute the values
S.I = 19,200
C.I - S.I =21,184 -19200 = 1984
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