ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VIII - Factors and Multiples
Question 1
1.
    • What is the number that divides
    • {6868,2248,3508}
    • leaving a remainder of
    • 8
  • 138
  • 141
  • 143
  • 139
  • 140
Question 2
2.
    • Find the HCF of
    • {36,40,39}
  • (-2)
  • 2
  • 0
  • 1
  • 3
Question 3
3.
    • Find the L.C.M of
    • 4
      12
      ,
      8
      6
      ,
      4
      18
  • 4
    3
  • 2
  • 1
  • 5
    3
Question 4
4.
    • Find the LCM of
    • {12,4,10,6}
  • 59
  • 60
  • 58
  • 62
  • 61
Question 5
5.
The common multiples of 6 , 8 and 2 =
  • {48,72,5}
  • {24,48,72}
  • {24,48,105}
  • {24,72,135}
  • {24,72,115}
Question 6
6.
    • Find the prime factorization of
    • 7000
  • 2 3
     
    		✕
    3 3
     
    		✕
    7
  • 2 3
     
    		✕
    5 3
     
    		✕
    7
  • 2 3
     
    		✕
    5 4
     
    		✕
    7
  • 2 3
     
    		✕
    5 3
     
    		✕
    9
  • 2 3
     
    		✕
    5 3
     
    		✕
    6
Question 7
7.
    • Find the number of prime factors of
    • 34
  • 0
  • 2
  • 1
  • 4
  • 3
Question 8
8.
    • Find the product of LCM and HCF of
    • {9,8}
  • 73
  • 74
  • 72
  • 70
  • 71
Question 9
9.
The factors of 26 =
  • {1,13,12,25}
  • {1,2,13,26,12,25}
  • {1,2,13,26,12}
  • {1,2,13,26}
  • {1,13,26,12}
Question 10
10.
Which of the following numbers is divisible by 8?
  • 2152
  • 2151
  • 2150
  • 2153
  • 2154