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 Mr. Duggal invested Rs. 20,000 with rate of interest at 20 p.c.p.a. The interest was compounded half yearly for first year and in the next year it was compounded yearly. What will be the total interes

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 Mr. Duggal invested Rs. 20,000 with rate of interest at 20 p.c.p.a. The interest was compounded half yearly for first year and in the next year it was compounded yearly. What will be the total interes

A). Rs. 8,040

B). Rs. 9,040

C). Rs. 10,040

D). Rs. 11,040


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Rs. 9,040



Amount = principal (1 + Rate/100)Time
= 20000 (1 + 10/100)² (1 + 20/100)
(Rate of interest for the first year = 10% Time = 2 half years)
= Rs. (20000 x 11/10 x 11/10 x 6/5)= Rs, 29040
∴ C.I. = Rs. (29040 - 20000)= Rs. 9040

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