CBSE Board Practice

Class VI Class VII Class VIII Class IX Class X
CBSE Grade VIII - Linear Equations in One Variable
Question 1
1.
    • Solve :
    •  
       
      (
      −
      x
      −
      1
      		)
      		  +  
       
       
      (
      −
      3
      x
      −
      3
      		)
      =
       
       
      (
      −
      4
      x
      +
      2
      		)
       
       
      6
  • (
    -3
    2
    		 )
  • (
    -11
    8
    		 )
  • (
    -5
    4
    		 )
  • (
    -13
    10
    		 )
  • (
    -11
    10
    		 )
Question 2
2.
    • Which of the following equations is not the same as
    • (
      4
      x
      −
      7
      		)
      =
      (
      −
      8
      x
      +
      2
      		)
  • (
    2
    x
    −
    10
    		)
    =
    (
    −
    10
    x
    −
    1
    		)
  • (
    8
    x
    −
    10
    		)
    =
    (
    −
    4
    x
    −
    1
    		)
  • (
    6
    x
    −
    4
    		)
    =
    (
    −
    6
    x
    +
    5
    		)
  • (
    −
    4
    		)
    =
    (
    −
    12
    x
    +
    5
    		)
  • (
    8
    x
    −
    10
    		)
    =
    (
    −
    12
    x
    +
    5
    		)
Question 3
3.
    • Which of the following equations is the same as
    • (
      −
      8
      x
      −
      2
      		)
      =
      0
  • (
    −
    7
    x
    −
    3
    		)
    =
    (
    x
    −
    1
    		)
  • (
    −
    9
    x
    −
    1
    		)
    =
    (
    x
    −
    1
    		)
  • (
    −
    7
    x
    −
    3
    		)
    =
    (
    −
    x
    +
    1
    		)
  • (
    −
    7
    x
    +
    4
    		)
    =
    (
    −
    x
    −
    6
    		)
  • (
    −
    9
    x
    −
    8
    		)
    =
    (
    x
    +
    6
    		)
Question 4
4.
    • Which of the following equations is not the same as
    • (
      −
      x
      +
      7
      		)
      =
      (
      −
      5
      x
      −
      2
      		)
  • (
    −
    3
    x
    +
    6
    		)
    =
    (
    −
    7
    x
    −
    3
    		)
  • (
    −
    6
    x
    +
    10
    		)
    =
    (
    −
    10
    x
    +
    1
    		)
  • (
    4
    x
    +
    4
    		)
    =
    (
    −
    5
    		)
  • (
    −
    3
    x
    +
    6
    		)
    =
    (
    −
    3
    x
    −
    1
    		)
  • (
    x
    +
    8
    		)
    =
    (
    −
    3
    x
    −
    1
    		)
Question 5
5.
A motor boat can move at a speed of 8.78 m/sec in still water. If it goes downstream for 112.14 sec, it travels a distance of 1552.00 m. What is the speed of the stream?
  • 6.06 m/sec
  • 7.06 m/sec
  • 4.06 m/sec
  • 3.06 m/sec
  • 5.06 m/sec
Question 6
6.
    • The L.H.S of the equation
    • 7
      x
      =
      0
    • is
  • 0
  • 9
    x
  • 5
    x
  • 6
    x
  • 7
    x
Question 7
7.
    • Which of the following equations is not the same as
    • (
      8
      x
      +
      6
      		)
      =
      7
  • (
    8
    x
    +
    5
    		)
    =
    8
  • (
    8
    x
    +
    4
    		)
    =
    5
  • (
    8
    x
    +
    8
    		)
    =
    9
  • (
    8
    x
    +
    9
    		)
    =
    10
  • (
    8
    x
    +
    3
    		)
    =
    4
Question 8
8.
    • Which of the following equations is not the same as
    • (
      −
      7
      x
      +
      8
      		)
      =
      0
  • (
    −
    28
    x
    +
    32
    		)
    =
    0
  • (
    35
    x
    −
    40
    		)
    =
    (
    −
    5
    		)
  • (
    −
    21
    x
    +
    24
    		)
    =
    0
  • (
    14
    x
    −
    16
    		)
    =
    0
  • (
    −
    35
    x
    +
    40
    		)
    =
    0
Question 9
9.
    • Which of the following equations is the same as
    • (
      9
      x
      −
      2
      		)
      =
      (
      −
      2
      x
      +
      7
      		)
  • (
    9
    x
    −
    1
    		)
    =
    (
    −
    2
    x
    +
    10
    		)
  • (
    9
    x
    −
    1
    		)
    =
    (
    −
    2
    x
    +
    8
    		)
  • (
    9
    x
    −
    1
    		)
    =
    (
    −
    2
    x
    +
    6
    		)
  • (
    9
    x
    +
    2
    		)
    =
    (
    −
    2
    x
    +
    8
    		)
  • (
    9
    x
    −
    4
    		)
    =
    (
    −
    2
    x
    +
    8
    		)
Question 10
10.
    • Which of the following equations is the same as
    • (
      −
      6
      x
      +
      6
      		)
      =
      1
  • (
    12
    x
    −
    15
    		)
    =
    (
    −
    2
    		)
  • (
    12
    x
    −
    9
    		)
    =
    (
    −
    2
    		)
  • (
    12
    x
    −
    12
    		)
    =
    (
    −
    2
    		)
  • (
    12
    x
    −
    12
    		)
    =
    1
  • (
    12
    x
    −
    12
    		)
    =
    (
    −
    5
    		)