Term 2 - Numbers One Mark Questions

6th Standard

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Maths

Time : 00:30:00 Hrs
Total Marks : 15
    5 x 1 = 5
  1. The difference between two successive odd numbers is

    (a)

    1

    (b)

    2

    (c)

    3

    (d)

    0

  2. The only even prime number is

    (a)

    4

    (b)

    6

    (c)

    2

    (d)

    0

  3. The prime factorisation of 60 is 2 \(\times\) 2 \(\times\) 3 \(\times\) 5. Any other number which has the same prime factorisation as 60 is

    (a)

    30

    (b)

    120

    (c)

    90

    (d)

    impossible

  4. If the number 6354 * 97 is divisible by 9, then the value * is

    (a)

    2

    (b)

    4

    (c)

    6

    (d)

    7

  5. The number 87846 is divisible by

    (a)

    2 only

    (b)

    3 only

    (c)

    11 only

    (d)

    all of these

  6. 5 x 1 = 5
  7. The number of prime numbers between 11 and 60 is________.

    ()

    12

  8. The numbers 29 and________ are twin primes.

    ()

    31

  9. 3753 is divisible by 9 and hence divisible by _________ .

    ()

    3

  10. The number of distinct prime factors of the smallest 4 digit number is ___________

    ()

    2

  11. The sum of distinct prime factors of 30 is_______.

    ()

    10

  12. 5 x 1 = 5
  13. The sum of any number of odd numbers is always even

    (a) True
    (b) False
  14. Every natural number is either prime or composite

    (a) True
    (b) False
  15. If a number is divisible by 6, then it must be divisible by 3.

    (a) True
    (b) False
  16. 16254 is divisible by each of 2, 3, 6 and 9.

    (a) True
    (b) False
  17. The number of distinct prime factors of 105 is 3.

    (a) True
    (b) False

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