ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VI - Factors and Multiples
Question 1
1.
    • Find the product of LCM and HCF of
    • {14,12}
  • 168
  • 169
  • 167
  • 170
  • 166
Question 2
2.
    • Find the number of prime factors of
    • 64
  • 0
  • 4
  • 1
  • 3
  • 2
Question 3
3.
The factors of 10 =
  • {1,2,5,10,9,4}
  • {1,2,5,10}
  • {2,10,1,9}
  • {2,5,10,1}
Question 4
4.
    • Find the product of LCM and HCF of
    • {15,6,12}
  • 179
  • 180
  • 177
  • 182
  • 181
Question 5
5.
    • Find the HCF of
    • {800,500,380,80}
  • 21
  • 19
  • 23
  • 20
  • 17
Question 6
6.
    • Find the prime factorization of
    • 11550
  • 2
    		✕
    3
    		✕
    8 2
     
    		✕
    7
    		✕
    11
  • 2 -2
     
    		✕
    3
    		✕
    5 2
     
    		✕
    7
    		✕
    11
  • 2
    		✕
    3
    		✕
    5 2
     
    		✕
    7
    		✕
    11
  • 2
    		✕
    3
    		✕
    5 2
     
    		✕
    6
    		✕
    11
  • 2
    		✕
    3
    		✕
    5 2
     
    		✕
    7
    		✕
    11 2
     
Question 7
7.
The common multiples of 4 , 8 and 9 =
  • {144,319}
  • {72,209}
  • {72,5}
  • {72,144}
  • {144,139}
Question 8
8.
    • Find the HCF of
    • {8,12}
  • 5
  • 2
  • 6
  • 3
  • 4
Question 9
9.
Which of the following is a composite number?
  • 32
  • 37
  • 29
  • 43
  • 23
Question 10
10.
    • Find the LCM of
    • {9,18}
  • 20
  • 16
  • 19
  • 17
  • 18