CBSE  /  Class 6  /  Maths  /  Playing with Numbers

  • 1. 
    Which of the following numbers is prime?

  • 21
  • 12
  • 17
  • 39

  • 2. 
    Which of the following numbers is composite?

  • 19
  • 23
  • 6
  • 29

  • 3. 
    Which of the following statements is true?

  • The product of two even numbers is always even.
  • The sum of three odd numbers is even.
  • All prime numbers are odd.
  • Prime numbers do not have any factors.

  • 4. 
    Which of the following statements is false?

  • All even numbers are composite numbers.
  • If an even number is divided by 2, the quotient may be odd or even.
  • The sum of two odd numbers and one even number is even.
  • Sum of two prime numbers is not always even.

  • 5. 
    128 is divisible by

  • 2
  • 3
  • 5
  • 10

  • 6. 
    275 is divisible by

  • 5
  • 3
  • 6
  • 8

  • 7. 
    116 is divisible by

  • 2
  • 3
  • 6
  • 8

  • 8. 
    200 is divisible by

  • 8
  • 3
  • 6
  • 11

  • 9. 
    1331 is divisible by

  • 11
  • 2
  • 3
  • 5

  • 10. 
    1000 is divisible by

  • 10
  • 6
  • 3
  • 11
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