The difference between compound interest and simple interest for 2 year at 5% per annum is rp 2.50.find the sum
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T=2yr
Rate=5%
Si=p×r×t/100
SI=p×5×2/100
Si=p/10
Ci=p[(1+r/100)^t-1]
ci=p[(105/100)^2-1]
ci=p[(21/20)^2-1]
CI=P(441/400-1)
Ci=P(41/400)
ci=41p/400
a/q
CI-SI=2.5
41p/400-p/10=2.5
41p-40p/400=2.5
p/400=2.5
p=2.5×400
p=1000
the principal is Rs.1000
Rate=5%
Si=p×r×t/100
SI=p×5×2/100
Si=p/10
Ci=p[(1+r/100)^t-1]
ci=p[(105/100)^2-1]
ci=p[(21/20)^2-1]
CI=P(441/400-1)
Ci=P(41/400)
ci=41p/400
a/q
CI-SI=2.5
41p/400-p/10=2.5
41p-40p/400=2.5
p/400=2.5
p=2.5×400
p=1000
the principal is Rs.1000
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