Quantitative Aptitude :: Problems Based on Number Problems And Answers


11. If the sum of one-third and one-half of a number exceeds two-third of a number by 5, the number is

A. 30 B. 32
C. 36 D. 40
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12. If 10 is subtracted from two-third of a number the result is equal to sum of 40 and one-third of the number, then find the number.

A. 100 B. 160
C. 150 D. 210
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13. If the sum of a number and its square is 132, then what is the number?

A. 10 B. 11
C. 12 D. 13
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14. Twenty times a positive integer is more than its square by 96, then the positive integer is 

A. 13 B. 10
C. 11 D. 12
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15. The thrice the square of a natural number is decreased by 8, the number is equal to 100 more than the number.

A. 3 B. 6
C. 8 D. 12
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16. The sum of a number and its reciprocal is one-fifth of 26. What is the sum of that number and its square.

A. 3 B. 4
C. 5 D. 6
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17. Find a positive number, which when increased by 8 is  equal to 128 times reciprocal of the number.

A. 5 B. 6
C. 8 D. 7
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18. The product of two natural numbers is 19. The sum of the reciprocal of its square is 

A. 361/362 B. 362/361
C. 360/359 D. 359/360
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19. The product of two natural numbers is 19. The sum of the reciprocal of its square is 

A. 361/362 B. 362/361
C. 360/359 D. 359/360
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20. Three numbers are in the ratio 4 : 5 : 6 and their product is 76680. the largest number is 

A. 30 B. 24
C. 26 D. 28
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Related Topics

Permutations
Square Root and Cube Root
Decimal Fractions
Partnership
Averages
HCF & LCM




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