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
    • 414
  • 2
    		✕
    3
    		✕
    23
  • 2
    		✕
    3 2
     
    		✕
    23
  • 2
    		✕
    3 2
     
    		✕
    20
  • 2
    		✕
    3 3
     
    		✕
    23
  • 4
    		✕
    3 2
     
    		✕
    23
Question 2
2.
    • Find the product of LCM and HCF of
    • {8,4}
  • 32
  • 34
  • 31
  • 33
  • 29
Question 3
3.
    • Express
    • 3637
      10000
    • as a decimal correct to 4 decimal places
  • 3.637
  • 0.0364
  • 0.4637
  • 0.3637
  • 0.1637
Question 4
4.
    • Find the LCM of
    • {12,48}
  • 49
  • 46
  • 50
  • 47
  • 48
Question 5
5.
    • Convert the fraction
    • 242
      27
    • to non-terminating recurring decimal
  • 896.
    296
  • 0.08
    962
  • 89.
    629
  • 0.8
    962
  • 8.
    962
Question 6
6.
    • Find the number of prime factors of
    • 2304
  • 2
  • 0
  • 3
  • 1
  • 4
Question 7
7.
    • The recurring part of the decimal
    • 5.
      1
    • is
  • 115
  • 1
  • 111
  • 5.1
  • 11
Question 8
8.
9.856 =
  • 308
    3125
  • 4928
    5
  • 2464
    25
  • 616
    625
  • 1232
    125
Question 9
9.
    • Find the HCF of
    • {27,38,28}
  • 0
  • 1
  • (-1)
  • 4
  • 2
Question 10
10.
    • Find the HCF of
    • {130,120}
  • 7
  • 10
  • 12
  • 11
  • 9