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Problems on Numbers Questions Answers Online Quiz Test

  • 1. Find the number, when 15 is subtracted from 7 times the number, the result is 10 more than twice of the number

    1. 5
    2. 15
    3. 7.5
    4. 4
  • 2. Sum of a rational number and its reciprocal is 13/6. Find the number

    1. 2
    2. 3/2
    3. 4/2
    4. 5/2
  • 3. find the number, difference between number and its 3/5 is 50.

    1. 120
    2. 123
    3. 124
    4. 125
  • 4. The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is

    1. 15
    2. 20
    3. 25
    4. 35
  • 5. If one third of one fourth of number is 15, then three tenth of number is

    1. 34
    2. 44
    3. 54
    4. 64
  • 6. A number is doubled and 9 is added. If resultant is trebled, it becomes 75. What is that number

    1. 8
    2. 10
    3. 12
    4. 14
  • 7. Find a positive number which when increased by 17 is equal to 60 times the reciprocal of the number

    1. 17
    2. 15
    3. 8
    4. 3
  • 8. The product of two numbers is 120 and the sum of their squares is 289. The sum of the number is

    1. 20
    2. 23
    3. 27
    4. 150
  • 9. Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is

    1. 12
    2. 13
    3. 15
    4. 17
  • 10. Find the number which when multiplied by 15 is increased by 196

    1. 10
    2. 12
    3. 14
    4. 16
  • 11. if the sum of \begin{aligned} \frac{1}{2} \end{aligned} and \begin{aligned} \frac{1}{5} \end{aligned} of a number exceeds \begin{aligned} \frac{1}{3} \end{aligned} of the number by \begin{aligned} 7\frac {1}{3} \end{aligned}, then number is

    1. 15
    2. 20
    3. 25
    4. 30
  • 12. find the number, If 50 is subtracted from two-third of number, the result is equal to sum of 40 and one-fourth of that number.

    1. 214
    2. 216
    3. 114
    4. 116
  • 13. Product of two natural numbers is 17. Then, the sum of reciprocals of their squares is

    1. \begin{aligned} \frac{290}{289} \end{aligned}
    2. \begin{aligned} \frac{1}{289} \end{aligned}
    3. \begin{aligned} \frac{290}{90} \end{aligned}
    4. \begin{aligned} \frac{290}{19} \end{aligned}
  • 14. Sum of three numbers 264, If the first number be twice then second and third number be one third of the first, then the second number is

    1. 70
    2. 71
    3. 72
    4. 73
  • 15. Sum of two numbers is 25 and their difference is 13. Find their product.

    1. 104
    2. 108
    3. 114
    4. 124
  • 16. Sum of two numbers is 40 and their difference is 4. The ratio of the numbers is

    1. 10:3
    2. 5:9
    3. 11:9
    4. 13:9
  • 17. Two numbers differ by 5. If their product is 336, then sum of two number is

    1. 33
    2. 34
    3. 36
    4. 37
  • 18. Difference between a two-digit number and the number obtained by interchanging the two digits is 36, what is the difference between two numbers

    1. 2
    2. 4
    3. 8
    4. 12
  • 19. A father is twice as old as his son. 20 years ago, the age of the father was 12 times the age of the son. The present age of the father (in years) is

    1. 11
    2. 22
    3. 44
    4. 33
  • 20. Which among following is not a prime number ?

    1. 97
    2. 33
    3. 45
    4. 72
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