ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VI - Factors and Multiples
Question 1
1.
Find all common factors of 40 , 42 and 18
  • {2,42}
  • {1,2}
  • {1,2,42}
  • {1,2,20}
  • {2,8}
Question 2
2.
The factors of 41 =
  • {40,2}
  • {1,41,2}
  • {1,41,40,2}
  • {1,2}
  • {1,41}
Question 3
3.
Find all common factors of 25 , 6 and 49
  • {1}
  • {1,3}
  • {3}
  • {1,5}
  • {25}
Question 4
4.
    • Find the HCF of
    • {150,300}
  • 152
  • 150
  • 151
  • 148
  • 149
Question 5
5.
    • Find the HCF of
    • {18,10}
  • 4
  • 1
  • 3
  • 2
  • (-1)
Question 6
6.
The factors of 64 =
  • {1,2,4,8,16,32,64,33,63}
  • {1,2,4,8,16,32,64,9}
  • {1,2,8,16,32,15,9}
  • {2,4,8,16,32,64,33}
  • {1,2,4,8,16,32,64}
Question 7
7.
    • Find the total number of factors of
    • 78
  • 6
  • 9
  • 11
  • 7
  • 8
Question 8
8.
    • Find the LCM of
    • {6,4,12}
  • 10
  • 13
  • 14
  • 12
  • 11
Question 9
9.
The multiples of 13 =
  • {13,39,52,65,78,66}
  • {13,26,39,52,65,78,79}
  • {13,26,39,52,65,78}
  • {26,39,65,78,25,38}
  • {13,26,39,52,65,78,38,53}
Question 10
10.
The common multiples of 6 , 2 and 10 =
  • {30,241}
  • {60,61}
  • {60,39}
  • {30,60}
  • {60,227}