Rational Numbers & Irrational Numbers Quiz

10 Questions | Total Attempts: 41

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Rational Numbers & Irrational Numbers Quiz

How do you know if a number is rational or irrational? Is 4/5 rational or irrational? Check out our online quiz and attempt some amazing questions to unleash the maths expert.


Questions and Answers
  • 1. 
    The decimal expansion of an irrational number may be
    • A. 

      Terminating  

    • B. 

      Recurring

    • C. 

      Either terminating or non- terminating

    • D. 

      Non-terminating and non-recurring

  • 2. 
    The product of a rational and an irrational numbers is:
    • A. 

      Always an integer

    • B. 

      Always an irrational number

    • C. 

      Always a rational number    

    • D. 

      Sometimes rational and sometimes irrational

  • 3. 
    The number  is
    • A. 

      An irrational number

    • B. 

      A rational number

    • C. 

       not a natural number

    • D. 

      None of these

  • 4. 
     For rationalising the denominator of the expression  we multiply and divide by
    • A. 

         

    • B. 

      12

    • C. 

       

    • D. 
  • 5. 
    On simplifying  we get
    • A. 

      12    

    • B. 
    • C. 
    • D. 
  • 6. 
    0.6666  in p/q form is
    • A. 

      6/99

    • B. 

      2/3

    • C. 

      3/5

    • D. 

      1/66

  • 7. 
    Which of the following is irrational?
    • A. 

      0.14

    • B. 

      0.24014001400014…

    • C. 

      0.14161416......

    • D. 

      0.1416

  • 8. 
    The square root of which number is rational
    • A. 

      7

    • B. 

      1.01

    • C. 

      0.04

    • D. 

      13

  • 9. 
     (16)3/4 is equal to
    • A. 

      2

    • B. 

      4

    • C. 

      8

    • D. 

      16

  • 10. 
      A rational number between  is
    • A. 

      1/14

    • B. 

      2/21

    • C. 

      5/14

    • D. 

      5/21

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