The difference between simple interest and compound interest on a certain deposit for two years at 8 p.C.P. Is rs. 8. What is the amount of deposit
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r=8%
n=2 years
SI = p*n*r/100 => p*2*8/100 = 4p/25
CI = Amount - p
Amount = p(1 + r/100)^n
=> p(1 + 8/100)^2
CI = p(27/25)^2 - p
p(27/25)^2- p - 4p/25 = 8
p[27*27 - 625 - 100]/625 = 8
4p = 5000
p = 1250
n=2 years
SI = p*n*r/100 => p*2*8/100 = 4p/25
CI = Amount - p
Amount = p(1 + r/100)^n
=> p(1 + 8/100)^2
CI = p(27/25)^2 - p
p(27/25)^2- p - 4p/25 = 8
p[27*27 - 625 - 100]/625 = 8
4p = 5000
p = 1250
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