ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VII - Factors and Multiples
Question 1
1.
    • Find the LCM of
    • {18,16,8,15}
  • 720
  • 721
  • 719
  • 718
  • 722
Question 2
2.
The common multiples of 7 and 3 =
  • {21,63,84,105,132}
  • {21,63,84,105,141}
  • {21,42,63,84,105}
  • {21,63,84,105,58}
  • {21,42,84,105,44}
Question 3
3.
The factors of 31 =
  • {1,31,2,30}
  • {1,2}
  • {1,31,30}
  • {1,31}
  • {2,30}
Question 4
4.
    • Find the LCM of
    • {450,570}
  • 8550
  • 8551
  • 8547
  • 8552
  • 8549
Question 5
5.
    • Find the total number of factors of
    • 882
  • 17
  • 20
  • 15
  • 18
  • 19
Question 6
6.
Find all common factors of 50 , 48 and 34
  • {1,2}
  • {1,2,16}
  • {1,2,5}
  • {1,25}
  • {2,48}
Question 7
7.
    • Find the total number of factors of
    • 21
  • 7
  • 4
  • 3
  • 1
  • 5
Question 8
8.
    • Find the number of prime factors of
    • 32
  • 2
  • 4
  • 3
  • 0
  • 1
Question 9
9.
The factors of 38 =
  • {1,2,19,38,37,18}
  • {1,2,38}
  • {1,2,19,38}
  • {2,38,18,1}
Question 10
10.
Find all common factors of 17 and 11
  • {1,11}
  • {17}
  • {1}
  • {1,17}
  • {11}