ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VI - Factors and Multiples
Question 1
1.
    • Find the LCM of
    • {16,18}
  • 147
  • 141
  • 144
  • 145
  • 143
Question 2
2.
The factors of 60 =
  • {1,2,3,4,5,6,10,12,15,20,30,60,21,9}
  • {1,2,3,4,5,6,10,12,15,20,30,60,59}
  • {1,2,3,4,5,6,10,12,15,20,30,60}
  • {1,2,3,4,5,6,10,12,15,30,60}
  • {2,3,4,5,6,10,12,15,30,60,21,13}
Question 3
3.
    • Find the LCM of
    • {18,10,6,12}
  • 180
  • 181
  • 179
  • 178
  • 183
Question 4
4.
    • Find the product of LCM and HCF of
    • {21,24,20}
  • 837
  • 841
  • 842
  • 839
  • 840
Question 5
5.
Which of the following is a composite number?
  • 44
  • 19
  • 5
  • 47
  • 41
Question 6
6.
Find all common factors of 3 and 7
  • {1,3}
  • {3}
  • {7}
  • {1,7}
  • {1}
Question 7
7.
    • Find the prime factorization of
    • 50
  • -1
    		✕
    5 2
     
  • 2
    		✕
    8 2
     
  • 2
    		✕
    5
  • 2
    		✕
    5 2
     
  • 2
    		✕
    5 3
     
Question 8
8.
The multiples of 20 =
  • {20,40,60,80,100,120}
  • {40,60,80,100,41,101}
  • {20,40,60,80,100,120,101,41}
  • {20,40,80,100,120,59}
  • {20,40,60,80,100,120,101}
Question 9
9.
    • Find the LCM of
    • {10,14,9}
  • 630
  • 631
  • 627
  • 633
  • 629
Question 10
10.
Find all common factors of 22 , 20 and 38
  • {1,2,5}
  • {1,2,22}
  • {1,2}
  • {2,4}
  • {2,11}