Quantitative Aptitude (Numerical Ability)

Q. How much time will it take for an amount of Rs. 450 to yield Rs. 81 as interest at 4.5% per annum of simple interest?
1) 3.5 years
2) 4 years
3) 4.5 years
4) 5 years

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Q. A person takes a loan of Rs. 200 at 5% simple interest. He returns Rs. 100 at the end of 1 year. In order to clear his dues at the end of 2 years, he would pay -
1) Rs. 105
2) Rs. 110
3) Rs. 115
4) Rs. 115.50

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Q. If a sum of money doubles itself in 6 years. It becomes 5 times in how many years?
1) 12 years
2) 24 years
3) 10 years
4) 20 years

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Q. At what rate of interest a sum of money double in 10 years at simple interest.
1) 14.826%
2) 20%
3) 15%
4) 10%

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Q. Anuj gave some money at simple interest. At the end of 5 years Anuj got back twice the original sum. What was the rate of interest per annum?
1) 20%
2) 2%
3) 10%
4) 5%

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Q. If the difference between the Compound Interest compounded half yearly and simple interest on a sum at 10% per annum for one year is Rs. 25, the sum is -
1) Rs. 9000
2) Rs. 9500
3) Rs. 10,000
4) Rs. 10,500

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Q. The difference between compound and simple interest at a certain rate on Rs. 2000 at the end of two years is Rs. 12.8. the rate of interest per annum is -
1) 6.8%
2) 8.8%
3) 12.8%
4) 0.25

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Q. Find the difference between compound interest and simple interest on Rs. 100 at 5% in 2 years?
1) 1.25
2) 5
3) 10
4) 20

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Q. The compound interest on a certain sum at 5% for 2 years is Rs. 441. The simple interest for that sum at the same rate and for the same period will be -
1) Rs. 430.24
2) Rs. 425
3) 428.70
4) Rs. 420.50

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Q. The rate at which Rs. 25 will amount to Rs. 49 in 2 years at compound interest, will be -
1) 15%
2) 20%
3) 40%
4) 50%

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