CBSE Board Practice

Class VI Class VII Class VIII Class IX Class X
CBSE Grade VIII - Linear Equations in One Variable
Question 1
1.
    • The R.H.S of the equation
    • (
      8
      x
      −
      1
      		)
      =
      2
    • is
  • 2
  • 1
  • (
    8
    x
    −
    1
    		)
  • 4
  • 0
Question 2
2.
    • The R.H.S of the equation
    • (
      3
      x
      −
      5
      		)
      =
      (
      −
      7
      x
      −
      5
      		)
    • is
  • (
    −
    8
    x
    −
    5
    		)
  • (
    3
    x
    −
    5
    		)
  • (
    −
    7
    x
    −
    8
    		)
  • (
    −
    7
    x
    −
    5
    		)
  • (
    −
    7
    x
    −
    3
    		)
Question 3
3.
    • Which of the following equations is the same as
    • (
      2
      x
      −
      9
      		)
      =
      0
  • (
    8
    x
    −
    33
    		)
    =
    0
  • (
    8
    x
    −
    39
    		)
    =
    0
  • (
    8
    x
    −
    36
    		)
    =
    5
  • (
    8
    x
    −
    36
    		)
    =
    (
    −
    5
    		)
  • (
    8
    x
    −
    36
    		)
    =
    0
Question 4
4.
    • Solve :
    •  
       
      (
      x
      +
      1
      		)
      		  +  
       
       
      (
      x
      −
      3
      		)
       
       
      4
      =
       
       
      (
      −
      x
      		)
       
       
      2
  • (
    -1
    9
    		 )
  • (
    -3
    7
    		 )
  • (
    -1
    7
    		 )
  • 1
    7
  • (
    -1
    5
    		 )
Question 5
5.
    • Which of the following equations is the same as
    • (
      −
      3
      x
      −
      5
      		)
      =
      (
      8
      x
      −
      7
      		)
  • (
    −
    9
    x
    −
    15
    		)
    =
    (
    24
    x
    −
    21
    		)
  • (
    −
    9
    x
    −
    11
    		)
    =
    (
    24
    x
    −
    21
    		)
  • (
    −
    9
    x
    −
    19
    		)
    =
    (
    24
    x
    −
    21
    		)
  • (
    −
    9
    x
    −
    15
    		)
    =
    (
    24
    x
    −
    23
    		)
  • (
    −
    9
    x
    −
    15
    		)
    =
    (
    24
    x
    −
    19
    		)
Question 6
6.
    • Solve the equation
    • (
      9
      x
      +
      7
      		)
      =
      (
      −
      6
      		)
  • (
    -11
    9
    		 )
  • (
    -13
    9
    		 )
  • (
    -11
    7
    		 )
  • (
    -5
    3
    		 )
  • (
    -15
    11
    		 )
Question 7
7.
    • Which of the following equations is equivalent to
    • (
      7
      x
      −
      3
      		)
      =
      2
  • 7
    x
    =
    7
  • 7
    x
    =
    3
  • 7
    x
    =
    5
Question 8
8.
A train crosses a telegraph post in 21.38 sec and a bridge 457.41 m long in 37.18 sec. What is the length of the train?
  • 618.95 m
  • 617.95 m
  • 616.95 m
  • 619.95 m
  • 620.95 m
Question 9
9.
    • The L.H.S of the equation
    • (
      9
      x
      −
      7
      		)
      =
      0
    • is
  • (
    9
    x
    −
    5
    		)
  • (
    8
    x
    −
    7
    		)
  • (
    9
    x
    −
    7
    		)
  • 0
  • (
    9
    x
    −
    9
    		)
Question 10
10.
    • Solve :
    •  
       
      (
      −
      x
      +
      3
      		)
       
       
      8
      		  +  
       
       
      (
      x
      −
      1
      		)
       
       
      4
      =
       
       
      (
      −
      x
      −
      3
      		)
       
       
      9
  • (
    -31
    17
    		 )
  • (
    -35
    19
    		 )
  • (
    -33
    17
    		 )
  • (
    -31
    15
    		 )
  • (
    -35
    17
    		 )