ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VII - Factors and Multiples
Question 1
1.
    • Find the prime factorization of
    • 26
  • 2
    		✕
    11
  • 4
    		✕
    13
  • 2
    		✕
    13
  • 2
    		✕
    13 2
     
  • 2
    		✕
    12
Question 2
2.
Which of the following is a composite number?
  • 3
  • 31
  • 47
  • 17
  • 22
Question 3
3.
    • Find the LCM of
    • {165,270,105}
  • 20787
  • 20789
  • 20791
  • 20790
  • 20793
Question 4
4.
    • Find the HCF of
    • {39,14}
  • 3
  • 1
  • 0
  • (-2)
  • 2
Question 5
5.
The factors of 29 =
  • {28,2}
  • {1,28}
  • {1,29,2}
  • {1,29}
  • {1,29,2,28}
Question 6
6.
Find all common factors of 41 and 17
  • {1,17}
  • {41}
  • {17}
  • {1}
  • {1,41}
Question 7
7.
    • Reduce the fraction
    • 3584
      7168
  • 1
    2
  • 3
    2
  • (
    -1
    2
    		 )
  • 1
    4
  • 1
Question 8
8.
    • Find the LCM of
    • {75,120}
  • 603
  • 598
  • 600
  • 599
  • 601
Question 9
9.
The common multiples of 7 and 5 =
  • {70,105,140,175,94}
  • {35,70,105,140,175}
  • {35,70,140,175,48}
  • {35,70,105,140,181}
  • {35,70,105,175,85}
Question 10
10.
    • Find the HCF of
    • {9,15}
  • 2
  • 4
  • 3
  • 1
  • 5