CBSE Board Practice

Class VI Class VII Class VIII Class IX Class X
CBSE Grade VI - Playing with Numbers
Question 1
1.
    • Find the number of prime factors of
    • 54
  • 0
  • 1
  • 3
  • 4
  • 2
Question 2
2.
The common multiples of 8 , 9 and 4 =
  • {72,273}
  • {144,260}
  • {72,109}
  • {72,63}
  • {72,144}
Question 3
3.
Which of the following numbers is divisible by 3?
  • 7,699
  • 7,698
  • 7,697
  • 7,700
  • 7,696
Question 4
4.
Which of the following is a composite number?
  • 26
  • 19
  • 7
  • 23
  • 17
Question 5
5.
    • Find the prime factorization of
    • 4900
  • 2 2
     
    		✕
    5 2
     
    		✕
    7 2
     
  • (-1) 2
     
    		✕
    5 2
     
    		✕
    7 2
     
  • 2 2
     
    		✕
    5 2
     
    		✕
    10 2
     
  • 2 2
     
    		✕
    5 2
     
    		✕
    7
  • 2 2
     
    		✕
    5 2
     
    		✕
    7 3
     
Question 6
6.
The factors of 48 =
  • {1,2,3,4,6,8,12,16,24,48,7,23}
  • {1,2,3,4,6,8,12,48,17,5}
  • {1,2,3,4,6,8,12,16,24,48,47}
  • {1,2,4,6,8,12,16,24,48,3}
  • {1,2,3,4,6,8,12,16,24,48}
Question 7
7.
    • Find the total number of factors of
    • 140
  • 11
  • 12
  • 10
  • 14
  • 13
Question 8
8.
Which of the following numbers is divisible by 10?
  • 5,982
  • 5,981
  • 5,978
  • 5,979
  • 5,980
Question 9
9.
    • Find the total number of factors of
    • 48
  • 9
  • 12
  • 8
  • 11
  • 10
Question 10
10.
The factors of 73 =
  • {1,73}
  • {72,2}
  • {1,2}
  • {1,73,2,72}
  • {1,73,72}