EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Simple Linear Equations
Grade : ICSE Grade VIII
License : Non Commercial Use
Question 1
1.
In a company, the number of engineers to managers is in the ratio 2 : 1 . After a year, when 15 engineers and 20 managers left, the ratio between engineers to managers is 21 : 8 . Find the number of engineers and managers at the beginning?
  • (i)
    190
  • (ii)
    180
  • (iii)
    170
  • (iv)
    160
  • (v)
    200
Question 2
2.
    • Which of the following equations is the same as
    • (
      6
      x
      +
      6
      )
      =
      0
  • (i)
    13
    =
    (
    6
    x
    7
    )
  • (ii)
    (
    5
    x
    +
    7
    )
    =
    (
    x
    +
    1
    )
  • (iii)
    (
    5
    x
    +
    7
    )
    =
    (
    x
    1
    )
  • (iv)
    (
    7
    x
    +
    5
    )
    =
    (
    x
    +
    1
    )
  • (v)
    (
    12
    x
    1
    )
    =
    (
    6
    x
    +
    7
    )
Question 3
3.
    • Which of the following equations is the same as
    • (
      5
      x
      +
      4
      )
      =
      (
      7
      )
  • (i)
    (
    5
    x
    +
    3
    )
    =
    (
    11
    )
  • (ii)
    (
    5
    x
    )
    =
    (
    6
    )
  • (iii)
    (
    5
    x
    )
    =
    (
    11
    )
  • (iv)
    (
    5
    x
    3
    )
    =
    (
    11
    )
  • (v)
    (
    5
    x
    )
    =
    (
    16
    )
Question 4
4.
    • Which of the following equations is the same as
    • (
      5
      x
      +
      8
      )
      =
      (
      x
      3
      )
  • (i)
    (
    5
    x
    +
    5
    )
    =
    (
    x
    8
    )
  • (ii)
    5
    x
    =
    (
    x
    6
    )
  • (iii)
    (
    5
    x
    +
    5
    )
    =
    (
    x
    4
    )
  • (iv)
    (
    5
    x
    +
    10
    )
    =
    (
    x
    6
    )
  • (v)
    (
    5
    x
    +
    5
    )
    =
    (
    x
    6
    )
Question 5
5.
    • Which of the following equations is not the same as
    • (
      2
      x
      9
      )
      =
      (
      9
      x
      +
      4
      )
  • (i)
    (
    4
    x
    8
    )
    =
    (
    7
    x
    +
    5
    )
  • (ii)
    (
    x
    11
    )
    =
    (
    10
    x
    +
    2
    )
  • (iii)
    (
    3
    x
    7
    )
    =
    (
    8
    x
    +
    6
    )
  • (iv)
    (
    10
    )
    =
    (
    11
    x
    +
    3
    )
  • (v)
    (
    3
    x
    7
    )
    =
    (
    10
    x
    +
    2
    )
Question 6
6.
    • Which of the following equations is not the same as
    • (
      4
      x
      +
      3
      )
      =
      (
      2
      )
  • (i)
    (
    4
    x
    +
    1
    )
    =
    (
    4
    )
  • (ii)
    (
    4
    x
    +
    2
    )
    =
    (
    1
    )
  • (iii)
    (
    4
    x
    1
    )
    =
    (
    6
    )
  • (iv)
    (
    4
    x
    +
    5
    )
    =
    0
  • (v)
    (
    4
    x
    +
    7
    )
    =
    2
Question 7
7.
    • Which of the following equations is the same as
    • (
      3
      x
      +
      8
      )
      =
      6
  • (i)
    (
    6
    x
    +
    9
    )
    =
    (
    3
    x
    +
    5
    )
  • (ii)
    (
    6
    x
    +
    6
    )
    =
    (
    3
    x
    +
    8
    )
  • (iii)
    7
    =
    (
    3
    x
    +
    7
    )
  • (iv)
    7
    =
    (
    3
    x
    +
    5
    )
  • (v)
    10
    =
    (
    3
    x
    +
    4
    )
Question 8
8.
The speed of a motor boat is 14.97 m/sec and the speed of a stream is 5.90 m/sec. A & B are two location adjacent to a stream. If it takes 211.63 sec to go from point A to B and come back, What is the distance between A and B?
  • (i)
    1336.00 m
  • (ii)
    1340.00 m
  • (iii)
    1338.00 m
  • (iv)
    1337.00 m
  • (v)
    1339.00 m
Question 9
9.
    • The L.H.S of the equation
    • (
      3
      x
      5
      )
      =
      (
      4
      x
      +
      6
      )
    • is
  • (i)
    (
    4
    x
    +
    6
    )
  • (ii)
    (
    3
    x
    5
    )
  • (iii)
    (
    3
    x
    2
    )
  • (iv)
    (
    3
    x
    7
    )
  • (v)
    (
    2
    x
    5
    )
Question 10
10.
    • Which of the following equations is not equivalent to
    • (
      9
      x
      7
      )
      =
      (
      3
      x
      +
      5
      )
  • (i)
    (
    30
    x
    )
    =
    (
    60
    )
  • (ii)
    30
    x
    =
    60
  • (iii)
    18
    x
    =
    36
  • (iv)
    12
    x
    =
    24
  • (v)
    6
    x
    =
    9
Question 11
11.
    • Which of the following equations is equivalent to
    • (
      3
      x
      +
      7
      )
      =
      (
      x
      +
      7
      )
  • (i)
    4
    x
    =
    4
  • (ii)
    4
    x
    =
    (
    4
    )
  • (iii)
    4
    x
    =
    0
Question 12
12.
    • The L.H.S of the equation
    • (
      6
      x
      +
      8
      )
      =
      0
    • is
  • (i)
    (
    5
    x
    +
    8
    )
  • (ii)
    (
    6
    x
    +
    10
    )
  • (iii)
    (
    6
    x
    +
    5
    )
  • (iv)
    (
    6
    x
    +
    8
    )
  • (v)
    0
Question 13
13.
    • Which of the following equations is the same as
    • 6
      x
      =
      (
      x
      +
      6
      )
  • (i)
    (
    9
    x
    +
    2
    )
    =
    (
    4
    x
    +
    4
    )
  • (ii)
    (
    3
    x
    4
    )
    =
    (
    2
    x
    +
    10
    )
  • (iii)
    (
    9
    x
    +
    4
    )
    =
    (
    4
    x
    +
    2
    )
  • (iv)
    (
    3
    x
    4
    )
    =
    (
    4
    x
    +
    2
    )
  • (v)
    (
    3
    x
    2
    )
    =
    (
    2
    x
    +
    8
    )
Question 14
14.
    • Solve :
    •  
       
      (
      3
      x
      +
      5
      )
        +  
       
       
      (
      2
      x
      +
      4
      )
      =
       
       
      (
      5
      x
      +
      3
      )

       
       
      2
  • (i)
    0
  • (ii)
    -3
  • (iii)
    2
  • (iv)
    -1
  • (v)
    -2
Question 15
15.
    • Solve :
    •    
       
       
      1

       
       
      (
      x
      7
      )
      =
         
       
       
      1

       
       
      x
  • (i)
    -8
  • (ii)
    -6
  • (iii)
    -4
  • (iv)
    -9
  • (v)
    -7
Question 16
16.
    • Which of the following equations is the same as
    • (
      6
      x
      +
      3
      )
      =
      (
      5
      )
  • (i)
    (
    11
    x
    6
    )
    =
    (
    5
    x
    +
    4
    )
  • (ii)
    (
    7
    x
    +
    3
    )
    =
    (
    x
    5
    )
  • (iii)
    (
    x
    +
    12
    )
    =
    (
    5
    x
    14
    )
  • (iv)
    (
    7
    x
    +
    3
    )
    =
    (
    x
    5
    )
  • (v)
    (
    5
    x
    +
    3
    )
    =
    (
    x
    5
    )
Question 17
17.
    • Solve :
    •    
       
       
      4

       
       
      (
      x
      +
      4
      )
        +  
       
       
      2

       
       
      (
      x
      +
      5
      )
      =
       
       
      1

       
       
      (
      x
      +
      5
      )
         
       
       
      3

       
       
      (
      x
      3
      )
  • (i)
    (
    -37

    7
    )
  • (ii)
    (
    -29

    5
    )
  • (iii)
    (
    -27

    5
    )
  • (iv)
    (
    -17

    3
    )
  • (v)
    -5
Question 18
18.
    • Solve the equation
    • (
      7

      6
      x
      2

      9
      )
      =
      0
  • (i)
    4

    19
  • (ii)
    4

    21
  • (iii)
    2

    21
  • (iv)
    4

    23
  • (v)
    2

    7
Question 19
19.
Two numbers are in the ratio 1 : 2. If 12 is added to each number, the ratio becomes 7 : 10. Find the numbers.
  • (i)
    9
    :
    18
  • (ii)
    8
    :
    16
  • (iii)
    10
    :
    20
  • (iv)
    7
    :
    14
  • (v)
    11
    :
    22
Question 20
20.
    • Which of the following equations is equivalent to
    • (
      3
      x
      2
      )
      =
      (
      4
      )
  • (i)
    3
    x
    =
    0
  • (ii)
    3
    x
    =
    (
    2
    )
  • (iii)
    3
    x
    =
    (
    4
    )
  • (iv)
    3
    x
    =
    (
    5
    )
  • (v)
    3
    x
    =
    1
Question 21
21.
    • Which of the following equations is the same as
    • (
      7
      x
      3
      )
      =
      3
  • (i)
    (
    7
    x
    1
    )
    =
    7
  • (ii)
    (
    7
    x
    +
    3
    )
    =
    7
  • (iii)
    (
    7
    x
    +
    1
    )
    =
    8
  • (iv)
    (
    7
    x
    +
    1
    )
    =
    6
  • (v)
    (
    7
    x
    +
    1
    )
    =
    7
Question 22
22.
    • A certain number of men can do a work in
    • 21
      days
    • .
    • If there were
    • 27
    • men
    • less
    • ,
    • it would take
    • 21
      days
    • more
    • to complete the work.
    • How many men are required to complete the work in
    • 18
      days
    • ?
  • (i)
    61
  • (ii)
    65
  • (iii)
    64
  • (iv)
    62
  • (v)
    63
Question 23
23.
    • Which of the following equations is not equivalent to
    • (
      3
      x
      2
      )
      =
      5
  • (i)
    (
    12
    x
    )
    =
    28
  • (ii)
    12
    x
    =
    (
    28
    )
  • (iii)
    (
    3
    x
    )
    =
    2
  • (iv)
    (
    15
    x
    )
    =
    35
  • (v)
    6
    x
    =
    (
    14
    )
Question 24
24.
In  △BCD, if ∠B = 60° and ∠C = 52°, find the measure of ∠D
  • (i)
    D
    =
    69°
  • (ii)
    D
    =
    67°
  • (iii)
    D
    =
    70°
  • (iv)
    D
    =
    68°
  • (v)
    D
    =
    66°
Question 25
25.
    • Solve :
    •  
       
      (
      x
      4
      )

       
       
      8
        +  
       
       
      (
      x
      +
      1
      )
      =
       
       
      (
      x
      1
      )

       
       
      2
  • (i)
    -2
  • (ii)
    (
    -8

    3
    )
  • (iii)
    (
    -12

    5
    )
  • (iv)
    -4
  • (v)
    (
    -10

    3
    )
    Assignment Key

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