EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Linear Equations in One Variable
Grade : CBSE Grade VIII
License : Non Commercial Use
Question 1
1.
Which of the following is a linear equation in two variable?
  • (i)
    (
    8
    x
    5
    y
    +
    8
    )
    =
    (
    6
    x
    6
    y
    +
    7
    )
  • (ii)
    (
    35
    x
    2
     
    28
    x
    y
    +
    23
    x
    +
    63
    y
    2
     
    +
    61
    y
    +
    6
    )
    =
    0
  • (iii)
    (
    3
    x
    +
    5
    )
    =
    (
    7
    x
    +
    3
    )
  • (iv)
    (
    24
    x
    2
     
    38
    x
    +
    8
    )
    =
    (
    7
    x
    +
    6
    )
  • (v)
    (
    9
    x
    8
    y
    9
    z
    9
    )
    =
    (
    7
    x
    +
    y
    +
    8
    z
    7
    )
Question 2
2.
    • Which of the following equations is the same as
    • (
      2
      x
      4
      )
      =
      (
      9
      x
      2
      )
  • (i)
    (
    2
    x
    +
    1
    )
    =
    (
    9
    x
    +
    3
    )
  • (ii)
    (
    2
    x
    +
    1
    )
    =
    (
    9
    x
    +
    6
    )
  • (iii)
    2
    x
    =
    (
    9
    x
    +
    3
    )
  • (iv)
    (
    2
    x
    +
    2
    )
    =
    (
    9
    x
    +
    3
    )
  • (v)
    (
    2
    x
    +
    1
    )
    =
    (
    9
    x
    )
Question 3
3.
    • Which of the following equations is not the same as
    • (
      x
      +
      4
      )
      =
      0
  • (i)
    (
    x
    +
    1
    )
    =
    (
    3
    )
  • (ii)
    (
    x
    +
    7
    )
    =
    3
  • (iii)
    (
    x
    +
    8
    )
    =
    (
    4
    )
  • (iv)
    (
    x
    +
    6
    )
    =
    2
  • (v)
    (
    x
    +
    2
    )
    =
    (
    2
    )
Question 4
4.
    • Solve :
    •  
       
      (
      7
      x
      +
      3
      )

       
       
      (
      8
      x
      +
      6
      )
      =
       
       
      (
      7
      x
      7
      )

       
       
      (
      8
      x
      4
      )
  • (i)
    6
  • (ii)
    2
  • (iii)
    1
  • (iv)
    4
  • (v)
    3
Question 5
5.
    • Solve :
    •  
       
      (
      x
      5
      )
        +  
       
       
      (
      x
      2
      )

       
       
      3
      =
       
       
      (
      x
      2
      )

       
       
      2
  • (i)
    (
    -28

    5
    )
  • (ii)
    (
    -26

    5
    )
  • (iii)
    (
    -38

    7
    )
  • (iv)
    -6
Question 6
6.
Which of the following is a linear equation in one variable?
  • (i)
    (
    54
    x
    2
     
    54
    )
    =
    0
  • (ii)
    (
    3
    x
    9
    y
    +
    1
    )
    =
    0
  • (iii)
    (
    8
    x
    +
    2
    y
    2
    z
    +
    8
    )
    =
    0
  • (iv)
    (
    7
    x
    7
    )
    =
    0
  • (v)
    (
    8
    x
    2
     
    10
    x
    y
    14
    x
    3
    y
    2
     
    14
    y
    15
    )
    =
    0
Question 7
7.
    • Solve :
    •  
       
      (
      3
      x
      +
      1
      )

       
       
      4
        +  
       
       
      (
      4
      x
      +
      2
      )

       
       
      2
      =
       
       
      (
      x
      +
      3
      )
  • (i)
    -8
  • (ii)
    -6
  • (iii)
    -4
  • (iv)
    -10
  • (v)
    -7
Question 8
8.
    • Which of the following equations is the same as
    • (
      x
      )
      =
      (
      3
      )
  • (i)
    (
    x
    +
    4
    )
    =
    3
  • (ii)
    (
    x
    +
    4
    )
    =
    (
    1
    )
  • (iii)
    (
    x
    +
    4
    )
    =
    1
  • (iv)
    (
    x
    +
    7
    )
    =
    1
  • (v)
    (
    x
    +
    1
    )
    =
    1
Question 9
9.
Two numbers are in the ratio 1 : 2. If 12 is added to each number, the ratio becomes 13 : 20. Find the numbers.
  • (i)
    13
    :
    26
  • (ii)
    16
    :
    32
  • (iii)
    15
    :
    30
  • (iv)
    14
    :
    28
  • (v)
    12
    :
    24
Question 10
10.
    • Which of the following equations is the same as
    • (
      3
      x
      +
      7
      )
      =
      (
      1
      )
  • (i)
    (
    3
    x
    +
    2
    )
    =
    (
    8
    )
  • (ii)
    (
    3
    x
    +
    5
    )
    =
    (
    6
    )
  • (iii)
    (
    3
    x
    +
    2
    )
    =
    (
    6
    )
  • (iv)
    (
    3
    x
    +
    2
    )
    =
    (
    4
    )
  • (v)
    (
    3
    x
    1
    )
    =
    (
    6
    )
Question 11
11.
    • The R.H.S of the equation
    • (
      9
      x
      +
      8
      )
      =
      0
    • is
  • (i)
    (
    9
    x
    +
    8
    )
  • (ii)
    3
  • (iii)
    (
    3
    )
  • (iv)
    (
    1
    )
  • (v)
    0
Question 12
12.
    • Solve :
    •  
       
      3
      x

       
       
      4
      =
       
       
      (
      3
      x
      +
      4
      )

       
       
      8
  • (i)
    4

    11
  • (ii)
    2

    3
  • (iii)
    4

    7
  • (iv)
    4

    9
  • (v)
    2

    9
Question 13
13.
    • Which of the following equations is not the same as
    • (
      3
      x
      2
      )
      =
      0
  • (i)
    (
    2
    x
    10
    )
    =
    (
    5
    x
    8
    )
  • (ii)
    (
    8
    x
    +
    6
    )
    =
    (
    5
    x
    +
    8
    )
  • (iii)
    (
    2
    x
    +
    3
    )
    =
    (
    x
    +
    5
    )
  • (iv)
    (
    2
    x
    10
    )
    =
    (
    5
    x
    +
    8
    )
  • (v)
    (
    4
    x
    7
    )
    =
    (
    x
    5
    )
Question 14
14.
The speed of a motor boat is 24.69 m/sec and the speed of a stream is 17.69 m/sec. A & B are two location adjacent to a stream. If it takes 830.43 sec to go from point A to B and come back, What is the distance between A and B?
  • (i)
    4990.97 m
  • (ii)
    4986.97 m
  • (iii)
    4988.97 m
  • (iv)
    4987.97 m
  • (v)
    4989.97 m
Question 15
15.
    • The R.H.S of the equation
    • (
      8
      x
      +
      1
      )
      =
      8
    • is
  • (i)
    10
  • (ii)
    7
  • (iii)
    8
  • (iv)
    (
    8
    x
    +
    1
    )
  • (v)
    6
Question 16
16.
    • Solve the equation
    • (
      2
      x
      7

      2
      )
      =
      (
      3

      4
      x
      5

      3
      )
  • (i)
    2

    3
  • (ii)
    4

    3
  • (iii)
    2

    5
  • (iv)
    2
  • (v)
    0
Question 17
17.
A motor boat can move at a speed of 26.35 m/sec in still water. If it goes downstream for 76.25 sec, it travels a distance of 3175.00 m. What is the speed of the stream?
  • (i)
    17.29 m/sec
  • (ii)
    13.29 m/sec
  • (iii)
    14.29 m/sec
  • (iv)
    15.29 m/sec
  • (v)
    16.29 m/sec
Question 18
18.
    • Solve :
    •  
       
      5

       
       
      (
      x
      3
      )
         
       
       
      9

       
       
      (
      x
      +
      1
      )
      =
       
       
      4

       
       
      (
      x
      +
      1
      )
         
       
       
      8

       
       
      (
      x
      +
      5
      )
  • (i)
    47

    3
  • (ii)
    17
  • (iii)
    81

    5
  • (iv)
    49

    3
Question 19
19.
    • Which of the following equations is not the same as
    • (
      4
      x
      +
      5
      )
      =
      (
      x
      7
      )
  • (i)
    (
    4
    x
    +
    8
    )
    =
    (
    x
    4
    )
  • (ii)
    (
    4
    x
    +
    7
    )
    =
    (
    x
    9
    )
  • (iii)
    (
    4
    x
    +
    9
    )
    =
    (
    x
    3
    )
  • (iv)
    (
    4
    x
    +
    1
    )
    =
    (
    x
    11
    )
  • (v)
    (
    4
    x
    +
    2
    )
    =
    (
    x
    10
    )
Question 20
20.
    • Solve the equation
    • (
      8
      x
      3
      )
      =
      (
      4
      x
      +
      1
      )
  • (i)
    (
    -1

    5
    )
  • (ii)
    1

    3
  • (iii)
    -1
  • (iv)
    (
    -1

    3
    )
Question 21
21.
    • Which of the following equations is the same as
    • (
      3
      x
      4
      )
      =
      0
  • (i)
    (
    3
    x
    +
    3
    )
    =
    2
  • (ii)
    (
    3
    x
    7
    )
    =
    2
  • (iii)
    (
    3
    x
    2
    )
    =
    2
  • (iv)
    (
    3
    x
    2
    )
    =
    3
  • (v)
    (
    3
    x
    2
    )
    =
    1
Question 22
22.
    • Solve :
    •    
       
       
      1

       
       
      (
      x
      +
      1
      )
         
       
       
      1

       
       
      (
      x
      9
      )
      =
       
       
      1

       
       
      (
      x
      9
      )
         
       
       
      3

       
       
      (
      x
      6
      )
  • (i)
    69
  • (ii)
    68
  • (iii)
    71
  • (iv)
    67
  • (v)
    70
Question 23
23.
    • Solve the equation
    • x
      =
      1
  • (i)
    -1
  • (ii)
    1
  • (iii)
    4
  • (iv)
    2
  • (v)
    0
Question 24
24.
    • Which of the following equations is the same as
    • (
      5
      x
      3
      )
      =
      (
      3
      )
  • (i)
    (
    5
    x
    +
    3
    )
    =
    3
  • (ii)
    (
    5
    x
    +
    3
    )
    =
    1
  • (iii)
    (
    5
    x
    +
    7
    )
    =
    3
  • (iv)
    (
    5
    x
    +
    3
    )
    =
    5
  • (v)
    (
    5
    x
    1
    )
    =
    3
Question 25
25.
    • The linear equation
    • (
      5
      x
      )
      =
      (
      6
      x
      8
      )
    • is equivalent to
  • (i)
    (
    x
    +
    8
    )
    =
    0
  • (ii)
    (
    5
    x
    )
    =
    (
    6
    x
    11
    )
  • (iii)
    (
    2
    x
    +
    8
    )
    =
    0
  • (iv)
    8
    =
    0
  • (v)
    (
    5
    x
    )
    =
    (
    6
    x
    6
    )
    Assignment Key

  •  1) (i)
  •  2) (i)
  •  3) (iii)
  •  4) (v)
  •  5) (i)
  •  6) (iv)
  •  7) (v)
  •  8) (iii)
  •  9) (iv)
  •  10) (iii)
  •  11) (v)
  •  12) (iv)
  •  13) (iv)
  •  14) (iii)
  •  15) (iii)
  •  16) (i)
  •  17) (iv)
  •  18) (iv)
  •  19) (ii)
  •  20) (iv)
  •  21) (iii)
  •  22) (i)
  •  23) (ii)
  •  24) (i)
  •  25) (i)