CBSE Board Practice

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CBSE Grade VI - Playing with Numbers
Question 1
1.
Which of the following numbers is divisible by 9?
  • 5,065
  • 5,067
  • 5,068
  • 5,066
  • 5,069
Question 2
2.
    • Find the prime factorization of
    • 918
  • 2
    		✕
    3 3
     
    		✕
    19
  • 1
    		✕
    3 3
     
    		✕
    17
  • 2 2
     
    		✕
    3 3
     
    		✕
    17
  • 2
    		✕
    3 3
     
    		✕
    14
  • 2
    		✕
    3 3
     
    		✕
    17
Question 3
3.
    • Find the prime factorization of
    • 49
  • 4 2
     
  • 7 3
     
  • 10 2
     
  • 7 2
     
  • 7
Question 4
4.
The factors of 56 =
  • {1,2,4,7,8,14,28,56,55,29}
  • {2,4,7,8,14,28,5,13}
  • {1,2,4,7,8,14,56,55}
  • {1,2,4,7,8,14,28,56}
  • {1,2,4,7,8,14,28,56,3}
Question 5
5.
    • Find the HCF of
    • {28,49}
  • 10
  • 4
  • 7
  • 8
  • 6
Question 6
6.
Find the co-primes in the following
  • {75,81}
  • {5,20}
  • {4,16}
  • {25,27}
  • {50,54}
Question 7
7.
Which of the following is a prime number?
  • 20
  • 16
  • 22
  • 36
  • 23
Question 8
8.
Which of the following numbers is divisible by 7?
  • 2,478
  • 2,479
  • 2,477
  • 2,476
  • 2,480
Question 9
9.
Find all common factors of 47 and 29
  • {1,29}
  • {29}
  • {1,47}
  • {47}
  • {1}
Question 10
10.
Which of the following numbers is divisible by 3?
  • 6,422
  • 6,418
  • 6,421
  • 6,419
  • 6,420