What is the difference between the compound interest on Rs. 20,000 for 1 year at 10% per annum compounded half-yearly and compounded annually?
Correct answer A. Rs. 50
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A sum of money doubles itself in 4 years at compound interest. In how many years will it become 8 times itself?
Correct answer B. 12 years
A sum at compound interest amounts to Rs. 4,840 in 2 years and to Rs. 5,324 in 3 years. What is the sum?
Correct answer D. Rs. 4,000
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A sum at compound interest amounts to Rs. 13,225 in 2 years and to Rs. 15,208.75 in 3 years. What is the rate of interest per annum?
Correct answer D. 15%
What is the compound interest on Rs. 10,000 for 2.5 years at 10% per annum, compounded annually (simple interest for the part year)?
Correct answer A. Rs. 2,705
At what rate per annum, compounded half-yearly, will Rs. 32,000 become Rs. 35,280 in 1 year?
Correct answer B. 10%
What is the compound interest on Rs. 50,000 for 9 months at 16% per annum, compounded quarterly?
Correct answer B. Rs. 6,243.20
The ratio of the compound interest to the simple interest on a sum for 2 years at the same rate is 41 : 40. What is the rate of interest per annum?
Correct answer C. 5%
On a certain sum for 2 years, the compound interest is Rs. 2,544 and the simple interest is Rs. 2,400 at the same rate. What is the rate of interest per annum?
Correct answer D. 12%
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The population of a town is 50,000. It rises by 10% in the first year and falls by 10% in the second year. What is the population after 2 years?
Correct answer D. 49,500
A district has a population of 312,500. The annual birth rate is 3.2% and the annual death rate is 1.2%. What will the population be after 2 years?
Correct answer B. 325,125
A car bought for Rs. 625,000 is worth Rs. 400,000 after 2 years. At what annual rate has it depreciated on its reducing value?
Correct answer B. 20%
A culture has 4,096 bacteria, and the count grows by 25% every hour. How many bacteria will there be after 3 hours?
Correct answer D. 8,000
In what time will Rs. 8,000 amount to Rs. 9,261 at 10% per annum, compounded half-yearly?
Correct answer C. 1.5 years
What is the difference between the compound interest compounded half-yearly and the simple interest on Rs. 18,000 for 1 year at 12% per annum?
Correct answer D. Rs. 64.80
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What is the difference between the compound interest on Rs. 24,000 for 2 years at 10% per annum when compounded half-yearly and when compounded annually?
Correct answer D. Rs. 132.15
The difference between the compound interest and the simple interest on a sum for 2 years at 8% per annum is Rs. 48. What is the compound interest?
Correct answer D. Rs. 1,248
A sum at compound interest becomes 9 times itself in 4 years. In how many years will it become 27 times itself?
Correct answer B. 6 years
The simple interest on a sum for 3 years at 10% per annum is Rs. 3,600. What is the compound interest on the same sum for the same period and rate?
Correct answer D. Rs. 3,972
The compound interest on a sum is Rs. 1,320 for the second year and Rs. 1,452 for the third year. What is the sum?
Correct answer B. Rs. 12,000