CBSE Board Practice

Class VI Class VII Class VIII Class IX Class X
CBSE Grade X - Real Numbers
Question 1
1.
    • Find the prime factorization of
    • 864
  • 2 5
     
    		✕
    3 2
     
  • 2 5
     
    		✕
    1
  • 2 5
     
    		✕
    3 3
     
  • 2 5
     
    		✕
    6 3
     
  • 2 5
     
    		✕
    3 4
     
Question 2
2.
    • Find the LCM of
    • {12,6,16}
  • 49
  • 48
  • 50
  • 47
  • 45
Question 3
3.
    • Find the LCM of
    • {540,210}
  • 3777
  • 3781
  • 3779
  • 3782
  • 3780
Question 4
4.
    • Find the product of LCM and HCF of
    • {27,14}
  • 379
  • 377
  • 375
  • 380
  • 378
Question 5
5.
    • Find the LCM of
    • {18,15}
  • 93
  • 89
  • 91
  • 90
  • 88
Question 6
6.
    • Find the HCF of
    • {408,372}
  • 12
  • 10
  • 11
  • 13
  • 15
Question 7
7.
    • Find the total number of factors of
    • 15876
  • 43
  • 45
  • 47
  • 46
  • 44
Question 8
8.
    • Find the HCF of
    • {38,27}
  • 1
  • 0
  • 2
  • 4
  • (-2)
Question 9
9.
    • Find the LCM of
    • {64,152,160}
  • 6081
  • 6080
  • 6078
  • 6083
  • 6079
Question 10
10.
    • Find the number of prime factors of
    • 54
  • 1
  • 2
  • 4
  • 3
  • 0