CBSE Board Practice

Class VI Class VII Class VIII Class IX Class X
CBSE Grade IX - Number Systems
Question 1
1.
Find the sum of the rational numbers at the points labelled with letters K and L
  • 24
    5
  • 26
    5
  • 16
    3
  • 28
    5
  • 36
    7
Question 2
2.
    • The solution of

    • √

      3
    • lies between
  • 1.71 and 1.72
  • 1.72 and 1.73
  • 1.74 and 1.75
  • 1.73 and 1.74
  • 1.75 and 1.76
Question 3
3.
Find the difference of the decimal numbers at the points labelled with letters V and W
  • 0.8
  • 0.5
  • 0.9
  • 0.2
  • 0.3
Question 4
4.
    • (
      −
      3

      √

      4
      +
      5

      √

      2
      )
    • −
    • (
      5

      √

      7
      −
      8

      √

      6
      )
    • =
  • (
    −
    3

    √

    4
    +
    5

    √

    2
    −
    5

    √

    7
    +
    8

    √

    6
    )
  • (
    −
    3

    √

    2
    +
    5

    √

    2
    −
    5

    √

    7
    +
    8

    √

    6
    )
  • (
    −
    3

    √

    4
    +
    5
    4
    √

    2
    −
    5

    √

    7
    +
    8

    √

    6
    )
  • (
    −
    3

    √

    4
    +
    5

    √

    2
    −
    5

    √

    7
    +
    8

    √

    9
    )
  • (
    −
    3

    √

    4
    +
    5

    √

    2
    −
    5
    4
    √

    7
    +
    8

    √

    6
    )
Question 5
5.
Find the product of the rational numbers at the points labelled with letters Q and R
  • 3159
    50
  • 3283
    52
  • 3031
    48
  • 3157
    50
  • 631
    10
Question 6
6.
    • Convert the fraction
    • 526
      21
    • to non-terminating recurring decimal
  • 2504.
    761904
  • 250.
    476190
  • 0.25
    047619
  • 25.
    047619
  • 2.5
    047619
Question 7
7.
    • Express
    • 51
      100
    • as a decimal correct to 2 decimal places
  • 0.51
  • 0.05
  • 0.31
  • 5.1
  • 0.61
Question 8
8.
    •    
      3
      (
      3
      2
      )
           
         
      7
      (
      3
      2
      )
           
    • =
  •    
    -5
    (
    3
    2
    )
         
  •    
    -4
    (
    3
    2
    )
         
  •    
    -4
    (
    5
    2
    )
         
  •    
    -3
    (
    3
    2
    )
         
  •    
    -4
    (
    1
    2
    )
         
Question 9
9.
Find the difference of the rational numbers at the points labelled with letters E and F
  • (
    -1
    2
    		 )
  • (
    -7
    10
    		 )
  • (
    -7
    12
    		 )
  • (
    -7
    8
    		 )
  • (
    -9
    10
    		 )
Question 10
10.
    • Express
    • 1
      10
    • as a decimal correct to 1 decimal places
  • -0.1
  • 0
  • 1
  • 0.2
  • 0.1