CBSE Board Practice

Class VI Class VII Class VIII Class IX Class X
CBSE Grade X - Real Numbers
Question 1
1.
    • Find the number of prime factors of
    • 460
  • 0
  • 2
  • 1
  • 3
  • 4
Question 2
2.
    • Express
    • 939
      1000
    • as a decimal correct to 3 decimal places
  • 0.739
  • 0.094
  • 9.39
  • 0.939
  • 1.039
Question 3
3.
5.20 =
  • 52
  • 13
    250
  • 26
    5
  • 13
    25
  • 520
Question 4
4.
5.3 =
  • 53
    1000
  • 53
    10
  • 53
  • 53
    100
  • 530
Question 5
5.
2.727 =
  • 2727
    100
  • 2727
    10000
  • 2727
    10
  • 2727
    1000
  • 2727
    100000
Question 6
6.
    • Find the LCM of
    • {8,4}
  • 8
  • 7
  • 5
  • 9
  • 11
Question 7
7.
    • Find the LCM of
    • {24,30}
  • 119
  • 123
  • 121
  • 117
  • 120
Question 8
8.
    • Find the product of LCM and HCF of
    • {27,15,26,12}
  • 7021
  • 7022
  • 7019
  • 7020
  • 7018
Question 9
9.
    • Find the LCM of
    • {80,220}
  • 880
  • 881
  • 879
  • 882
  • 878
Question 10
10.
10.5 =
  • 21
    2
  • 21
    200
  • 105
  • 1050
  • 21
    20