ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VIII - Factors and Multiples
Question 1
1.
Which of the following numbers is divisible by 9?
  • 3517
  • 3520
  • 3521
  • 3519
  • 3518
Question 2
2.
    • Find the number of prime factors of
    • 3456
  • 4
  • 3
  • 2
  • 0
  • 1
Question 3
3.
Which of the following numbers is divisible by 11?
  • 7999
  • 7995
  • 7997
  • 7998
  • 7996
Question 4
4.
    • Find the prime factorization of
    • 3456
  • 2 8
     
    		✕
    3 3
     
  • 2 7
     
    		✕
    1
  • 2 7
     
    		✕
    3 3
     
  • 2 7
     
    		✕
    3 2
     
  • 2 7
     
    		✕
    6 3
     
Question 5
5.
    • Find the L.C.M of
    • 44
      8
      ,
      10
      46
      ,
      32
      35
  • 1759
  • 1760
  • 1758
  • 1761
  • 1763
Question 6
6.
Find the smallest perfect square which is divisible by each of the numbers 9,18,16
  • 144
  • 2593
  • 288
  • 1296
  • 146
Question 7
7.
    • Find the product of LCM and HCF of
    • {9,8,16,4}
  • 145
  • 143
  • 146
  • 142
  • 144
Question 8
8.
    • Find the prime factorization of
    • 8
  • 2 3
     
  • 2 2
     
  • 2 4
     
  • 0
  • 4 3
     
Question 9
9.
The common multiples of 4 , 8 and 6 =
  • {24,48,96,120,144,279}
  • {24,48,72,96,120,144}
  • {48,72,96,120,144,133}
  • {24,48,96,120,144,59}
  • {24,48,96,120,144,289}
Question 10
10.
    • Find the LCM of
    • {15,6}
  • 30
  • 29
  • 27
  • 33
  • 31