CBSE Board Practice

Class VI Class VII Class VIII Class IX Class X
CBSE Grade IX - Number Systems
Question 1
1.
    • 7

      √

      9
    • −
    		•
      8

      √

      9
    • =
  • (
    −
    1
    )
  • (
    −
    4
    )
  • (
    −
    3
    )
  • (
    −
    5
    )
  • (
    −
    2
    )
Question 2
2.
Find the difference of the rational numbers at the points labelled with letters G and H
  • (
    -1
    5
    		 )
  • (
    -3
    5
    		 )
  • (
    -3
    7
    		 )
  • -1
Question 3
3.
    • Simplify the expression
    •    
      (
      8/3
      )
      (
      -7
      8
      )
      		    
               
    • ✕
    •    
      (
      8/3
      )
      (
      -7
      3
      )
      		    
               
  •    
    (
    8/3
    )
    (
    47
    24
    )
    		    
             
  •    
    (
    8/5
    )
    (
    49
    24
    )
    		    
             
  •    
    (
    8/3
    )
    (
    49
    24
    )
    		    
             
  •    
    (
    8/3
    )
    (
    17
    8
    )
    		    
             
  •    
    8
    (
    49
    24
    )
         
Question 4
4.
    • The equivalent fraction of
    • 9
      7
    • is
  • 44
    35
  • 44
    34
  • 46
    36
  • 45
    35
  • 46
    34
Question 5
5.
    • Simplify
    • 2 2
       
      		✕
      (-3) 2
       
      (-5) -2
       
      		✕
      3 -2
       
  • 90 3
     
  • 88 2
     
  • 90
  • 90 2
     
  • 93 2
     
Question 6
6.
Find the difference of the rational numbers at the points labelled with letters F and G
  • (
    -7
    8
    		 )
  • (
    -7
    10
    		 )
  • (
    -9
    10
    		 )
  • (
    -1
    2
    		 )
  • (
    -7
    12
    		 )
Question 7
7.
15.43 =
  • 1543
    10000
  • 1543
    1000
  • 1543
    100
  • 1543
    10
  • 1543
Question 8
8.
    • Expand the following base power
    •    
      -4
      (
      -3
      4
      )
           
  • (
    -1024
    243
    		 )
  • 256
  • 256
    625
  • 256
    81
  • (
    -64
    27
    		 )
Question 9
9.
    • The value of
    •    
      2
      (
      -4
      3
      )
           
    • ✕
    •    
      2
      (
      -1
      3
      )
           
  • 14
    81
  •    
    2
    (
    16
    81
    )
         
  • 16
    81
  • 16
    79
  • 2
    9
Question 10
10.
    • If

      • √

        2
        = 1.4142,

      • √

        3
        = 1.7321,

      • √

        5
        = 2.2361,

      • √

        7
        = 2.6458,
    • the value of
    • (
      −
      7

      √

      4
      −
      4

      √

      5
      +
      2

      √

      2
      )
    • =
  • -20.116
  • -9.116
  • -12.116
  • -13.116