# Quantitative Aptitude :: Problems Based on Number Problems And Answers

Problems Based on Number Formulaes

 Quantitative Aptitude Reasoning Programming Verbal Ability

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

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

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

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

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

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

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

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

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

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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