The difference between CI and SI on a certain sum of money
at 10% per annum for 3 years is 620. Find the principal ifit
is known that the interest is compounded annually.
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Answer:
Difference between CI and SI =
100
3
Pr
2
(300+r)
⇒620=
100
3
P×100
×(300+10)=
100
3
100P
(310)
⇒620=
10000
P(310)
⇒P=Rs.20,000
Explanation:
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