CBSE Board Practice

CBSE Grade IX - Number Systems
Question 1
1.
    • Simplify the expression
    • (
      -3

      8
      )
      7
         
           
    • (
      -3

      8
      )
      6
         
           
  • (
    -3

    8
    )
    39
       
         
  • (
    -3

    10
    )
    42
       
         
  • (
    -3

    8
    )
    42
       
         
  • (
    -1

    2
    )
    42
       
         
  • (
    -3

    8
    )
    45
       
         
Question 2
2.
16.95 =
  • 339

    20
  • 1695
  • 339

    200
  • 339

    2
  • 339

    2000
Question 3
3.
    • (-7) -3
       

      (-7) -9
       
    • =
  • (-5) 6
     
  • (-7) 7
     
  • (-7) 5
     
  • (-7) 6
     
  • (-9) 6
     
Question 4
4.
    • Find the position of the rational number
    • (
      -52

      7
      )
    • on the number line
  • P
  • F
  • R
  • S
  • J
Question 5
5.
Find the difference between the decimal values at point A and B
  • -0.1000
  • -0.5000
  • -0.3000
  • -0.2000
  • -0.4000
Question 6
6.
    • Find the value of
    • (
      5

      2
      )
      25
         
           
  • 3125
  • 3127
  • 3122
  • 3124
  • 3126
Question 7
7.
    • Expand the following base power
    • 3 -5
       
  • 1

    3125
  • 1

    243
  • 1

    729
  • 1

    2187
  • 1

    81
Question 8
8.
    • Simplify the expression
    •    
      5
      (
      7

      3
      )
           
    •    
      5
      (
      7

      5
      )
           
    •    
      5
      (
      3

      2
      )
           
  •    
    5
    (
    47

    10
    )
         
  •    
    6
    (
    49

    10
    )
         
  •    
    4
    (
    49

    10
    )
         
  •    
    5
    (
    51

    10
    )
         
  •    
    5
    (
    49

    10
    )
         
Question 9
9.
    • Reduce the fraction
    • 2592

      5472
  • 3

    7
  • 9

    19
  • 9

    17
  • 11

    19
  • 7

    19
Question 10
10.
Which of the following symbols represent the set of Rational numbers ?
  • Q
  • W
  • R
  • N
  • Z