the diffrence in SI and CI on a certain sum of money is two years at 15% p.a. is ₹544. The sum is
a.₹6000
b.₹6200
c.₹6300
d.₹6400
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Answers
Answered by
1
Answer:
all options are wrong real answer is (544×400)/9
Step-by-step explanation:
let the sum be x
SI
p×r×t/100
x×15×2/100
3x
10
CI
p(1+r/100)^t-p
x(1+15/100)^2-x
x(100+15)^2-x
100
x(115)^2-x
100
x(23)^2-x
20
x×23×23-x
20. 20
x×529-x
400
529x-x
400
529x-400x
400
129x
400
difference
129x - 3x
400. 10
129x-120x
400
9x =544
400
9x=544×400
x=544×400
9
x=217600
9
x=24,177.78 (approx.)
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Answered by
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Answer:
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