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Aptitude | Compound Interest | Question 6

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What sum will be amount to Rs.30000 at CI in 3 years, if the rate of interest for 1st, 2nd and 3rd year being 10%, 20% and 30% respectively? (A) 17482.5 (B) 20145 (C) 16524 (D) 17000

Answer: (A)

Explanation: Let Rs.P be the required sum.
30000= p(1 + 10/100)(1 + 20/100)(1 + 30/100)
= p (110/100) x (120/100) x (130/100)
p = 30000x 100 x 100 x 100 / (110 x 120 x 130)
p = 17482.5

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Last Updated : 28 Jun, 2021
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