CBSE Board Practice

Class VI Class VII Class VIII Class IX Class X
CBSE Grade VIII - Linear Equations in One Variable
Question 1
1.
A motor boat can move at a speed of 23.27 m/sec in still water. If it goes downstream for 148.69 sec, it travels a distance of 4929.00 m. What is the speed of the stream?
  • 11.88 m/sec
  • 8.88 m/sec
  • 7.88 m/sec
  • 9.88 m/sec
  • 10.88 m/sec
Question 2
2.
    • Solve :
    •  
       
      (
      3
      x
      −
      3
      		)
      		  +  
       
       
      (
      −
      4
      x
      		)
      =
       
       
      (
      5
      x
      +
      5
      		)
       
       
      4
  • (
    -19
    11
    		 )
  • (
    -17
    9
    		 )
  • (
    -15
    7
    		 )
  • (
    -19
    9
    		 )
  • (
    -5
    3
    		 )
Question 3
3.
    • Solve :
    •  
       
      (
      −
      x
      		)
       
       
      5
      		  +  
       
       
      (
      x
      +
      2
      		)
       
       
      6
      =
       
       
      (
      −
      x
      −
      2
      		)
       
       
      3
  • (
    -10
    3
    		 )
  • -4
  • (
    -16
    5
    		 )
  • (
    -8
    3
    		 )
Question 4
4.
    • Which of the following equations is the same as
    • (
      5
      x
      +
      7
      		)
      =
      0
  • (
    −
    5
    x
    −
    3
    		)
    =
    0
  • (
    −
    5
    x
    −
    7
    		)
    =
    0
  • (
    −
    5
    x
    −
    7
    		)
    =
    2
  • (
    −
    5
    x
    −
    11
    		)
    =
    0
  • (
    −
    5
    x
    −
    7
    		)
    =
    (
    −
    2
    		)
Question 5
5.
    • Solve the equation
    • (
      −
      7
      2
      x
      −
      3
      2
      		)
      =
      (
      −
      5
      9
      		)
  • (
    -17
    63
    		 )
  • (
    -19
    63
    		 )
  • (
    -17
    65
    		 )
  • (
    -17
    61
    		 )
  • (
    -5
    21
    		 )
Question 6
6.
    • Solve the equation
    • (
      9
      2
      x
      +
      9
      7
      		)
      =
      (
      5
      2
      x
      −
      3
      		)
  • (
    -13
    7
    		 )
  • (
    -19
    9
    		 )
  • (
    -15
    7
    		 )
  • (
    -11
    5
    		 )
  • (
    -17
    7
    		 )
Question 7
7.
    • Solve :
    •  
       
      (
      −
      x
      +
      5
      		)
      		  +  
       
       
      (
      −
      x
      −
      3
      		)
      =
       
       
      (
      −
      x
      +
      1
      		)
       
       
      8
  • 1
  • 2
  • -2
  • 4
  • 0
Question 8
8.
    • The L.H.S of the equation
    • (
      −
      8
      x
      −
      9
      		)
      =
      0
    • is
  • (
    −
    8
    x
    −
    11
    		)
  • (
    −
    9
    x
    −
    9
    		)
  • 0
  • (
    −
    8
    x
    −
    6
    		)
  • (
    −
    8
    x
    −
    9
    		)
Question 9
9.
    • Solve :
    •  
       
      (
      −
      7
      x
      +
      1
      		)
       
       
      (
      −
      3
      x
      −
      9
      		)
      =
       
       
      (
      −
      7
      x
      +
      7
      		)
       
       
      (
      −
      3
      x
      +
      4
      		)
  • 65
    73
  • 67
    71
  • 69
    73
  • 67
    73
  • 67
    75
Question 10
10.
    • Which of the following equations is not the same as
    • (
      x
      +
      6
      		)
      =
      (
      −
      4
      		)
  • (
    x
    +
    7
    		)
    =
    (
    −
    3
    		)
  • (
    x
    +
    8
    		)
    =
    (
    −
    2
    		)
  • (
    x
    +
    10
    		)
    =
    (
    −
    8
    		)
  • (
    x
    +
    5
    		)
    =
    (
    −
    5
    		)
  • (
    x
    +
    4
    		)
    =
    (
    −
    6
    		)