ICSE Board Practice

ICSE Grade VII - Factors and Multiples
Question 1
1.
    • Find the LCM of
    • {15,16,8,18}
  • 723
  • 718
  • 720
  • 719
  • 721
Question 2
2.
    • Find the prime factorization of
    • 95
  • 4
    19
  • 5
    21
  • 5
    19 2
     
  • 5
    19
  • 5
    17
Question 3
3.
    • Find the number of prime factors of
    • 95
  • 4
  • 1
  • 2
  • 0
  • 3
Question 4
4.
    • Find the LCM of
    • {540,330}
  • 5941
  • 5939
  • 5940
  • 5943
  • 5937
Question 5
5.
    • Find the total number of factors of
    • 87
  • 4
  • 2
  • 6
  • 3
  • 5
Question 6
6.
The multiples of 3 =
  • {3,6,9,12,15,18,19,14}
  • {3,6,9,12,15,18}
  • {3,6,9,12,15,18,13}
  • {6,9,12,15,18,13}
  • {6,9,12,18,13,4}
Question 7
7.
    • Find the HCF of
    • {80,128}
  • 15
  • 17
  • 16
  • 18
  • 13
Question 8
8.
    • Find the HCF of
    • {240,234,42,198}
  • 7
  • 4
  • 8
  • 5
  • 6
Question 9
9.
The factors of 18 =
  • {1,2,3,6,9,18,17,10}
  • {1,2,3,6,9,18}
  • {1,2,9,18,10,7}
  • {1,3,6,9,18,17}
  • {1,2,3,6,9,18,17}
Question 10
10.
    • Find the product of LCM and HCF of
    • {10,15,27}
  • 271
  • 269
  • 268
  • 270
  • 273