When difference between compound and simple interest for three years is Rs. 122 at 5% rate per annum, the principal is ______
Answer: D
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Find the compound interest on Rs. 25000 in 2 years at 4% per annum. The interest being compounded half yearly.
Answer: C
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The simple interest on Rs.12000 at a certain rate of interest in five years is Rs.7200. Find the compound interest on the same amount for five years at the same rate of interest.
Answer: D
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Compound interest earned on a sum for the second and the third years are Rs.1200 and Rs.1440 respectively. Find the rate of interest?
Answer: C
Rs.1440 - 1200 = Rs.240 is the interest on Rs.1200 for one year.
Rate of interest = (100 * 240) / (100 * 1) = 20% p.a
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Albert invested an amount of Rs. 8000 in a fixed deposit scheme for 2 years at compound interest rate 5 p.c.p.a. How much amount will Albert get on maturity of the fixed deposit?
Answer: C
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In one year, the population, of a village increased by 10% and in the next year, it decreased by 10%. If at the end of 2nd year, the population was 7920, what was it in the beginning?
Answer: B
x*110/100 * 90/100 = 7920
X*0.99=7920
X=7920/0.99
=> 8000
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A sum of money deposited at C.I. amounts to Rs.2420 in 2 years and to Rs.2662 in 3 years. Find the rate percent?
Answer: B
2420 --- 242
100 --- ? => 10%
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What is the difference between the compound interest on Rs.12000 at 20% p.a. for one year when compounded yearly and half yearly?
Answer: B
When compounded annually, interest
= 12000[1 + 20/100] - 12000 = Rs.2400
When compounded semi-annually, interest
= 12000[1 + 10/100]⊃2; - 12000 = Rs.2520
Required difference = 2520 - 2400 = Rs.120
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A sum of money invested at compound interest amounts to Rs. 800 in 3 years and to Rs. 840 in 4 years. The rate of interest per annum is
Answer: C
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If at same rate of interest, in 2 years, the simple interest is Rs. 40 and compound interest is Rs. 41, then what is the principal?
Answer: B
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