CBSE Board Practice

Class VI Class VII Class VIII Class IX Class X
CBSE Grade X - Real Numbers
Question 1
1.
    • Express
    • 337
      1000
    • as a decimal correct to 3 decimal places
  • 0.137
  • 0.034
  • 0.437
  • 3.37
  • 0.337
Question 2
2.
    • Find the HCF of
    • {1200,2520,2040}
  • 119
  • 120
  • 123
  • 117
  • 121
Question 3
3.
    • Find the LCM of
    • {9,6,10}
  • 87
  • 90
  • 89
  • 91
  • 92
Question 4
4.
7.86 =
  • 393
    500
  • 786
  • 393
    50
  • 393
    5
  • 393
    5000
Question 5
5.
    • Find the prime factorization of
    • 95
  • 5
    		✕
    21
  • 5
    		✕
    19 2
     
  • 5
    		✕
    19
  • 3
    		✕
    19
  • 4
    		✕
    19
Question 6
6.
6.17 =
  • 617
  • 617
    1000
  • 617
    10
  • 617
    10000
  • 617
    100
Question 7
7.
    • Which of the following is a rational number?

  • √

    73
  • 19
    30
  • 3
    √

    45
  • 3
    √

    22

  • √

    80
Question 8
8.
    • Find the product of LCM and HCF of
    • {12,20}
  • 241
  • 240
  • 243
  • 239
  • 238
Question 9
9.
    • Find the HCF of
    • {15,6}
  • 0
  • 2
  • 4
  • 3
  • 6
Question 10
10.
    • Express
    • 3
      10
    • as a decimal correct to 1 decimal places
  • 0.4
  • 3
  • 0.1
  • 0
  • 0.3