Quantitative Aptitude (Numerical Ability)

Q. The difference between simple and compound interest on sum of 10000 is 64 for 2 years. Find the rate of interest.
1) 8
2) 64
3) 4
4) 2

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Q. Find the compound Interest on Rs. 12500 at 8% per annum for 9 months compounded quarterly.
1) Rs. 1020
2) Rs. 1428
3) Rs. 510
4) Rs 550

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Q. Find the compound Interest on Rs. 32000 at 20% per annum for 1 year, compounded half yearly.
1) Rs. 6320
2) Rs. 6720
3) Rs. 6400
4) Rs 6500

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Q. Nutan took a loan of Rs. 1200 with simple interest for as many years as the rate of interest. If she paid Rs. 432 as interest at the end of the end of the loan period, what was the rate of interest?
1) 3.6
2) 6
3) 18
4) 15

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Q. The difference between Compound Interest & Simple Interest annually on Rs. 700 in a year at 5% per annum is -
1) Rs. 10
2) Rs. 5
3) Rs. 1
4) Rs. 1.75

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Q. The difference in simple and compound interest on a certain sum of money in 2 years at 25% per annum is Rs. 140. The sum is -
1) Rs. 5000
2) Rs. 5600
3) Rs. 5300
4) 2240

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Q. The average age of three boys is 15 years. Their ages are in the ratio 3 : 5 : 7. Then the age of the oldest boy is -
1) 7 years
2) 20 years
3) 21 years
4) 14 years

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Q. Find the average of first five multiple of 7 -
1) 21
2) 14
3) 28
4) 25

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Q. What should come in place of question mark (?) in the following question?
200 + 650 x 260 = ?

1) 169, 200
2) 186, 400
3) 664, 250
4) 963, 750

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Q. If the radius of a circle is increased by 50%, its area is increased by -
1) 125%
2) 100%
3) 75%
4) 50%

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