ICSE Board Practice

ICSE Grade VII - Linear Equations
Question 1
1.
    • Which of the following equations is not the same as
    • (
      7
      x
      8
      )
      =
      0
  • (
    4
    x
    9
    )
    =
    (
    3
    x
    1
    )
  • (
    3
    x
    11
    )
    =
    (
    4
    x
    3
    )
  • (
    11
    x
    5
    )
    =
    (
    4
    x
    +
    3
    )
  • (
    10
    x
    7
    )
    =
    (
    3
    x
    +
    1
    )
  • (
    3
    x
    11
    )
    =
    (
    4
    x
    +
    3
    )
Question 2
2.
    • Solve the equation
    • (
      7

      4
      x
      +
      7

      6
      )
      =
      9

      7
  • 4

    49
  • 10

    147
  • 8

    147
  • 10

    149
  • 2

    29
Question 3
3.
    • Which of the following equations is not the same as
    • (
      x
      +
      9
      )
      =
      0
  • (
    2
    x
    +
    18
    )
    =
    0
  • (
    3
    x
    +
    27
    )
    =
    0
  • (
    x
    9
    )
    =
    0
  • (
    3
    x
    27
    )
    =
    (
    3
    )
  • (
    5
    x
    +
    45
    )
    =
    0
Question 4
4.
    • The linear equation
    • (
      3
      x
      +
      8
      )
      =
      (
      2
      x
      8
      )
    • is equivalent to
  • (
    6
    x
    +
    16
    )
    =
    0
  • (
    4
    x
    +
    16
    )
    =
    0
  • (
    5
    x
    +
    16
    )
    =
    0
  • (
    3
    x
    +
    8
    )
    =
    (
    2
    x
    6
    )
  • (
    3
    x
    +
    8
    )
    =
    (
    2
    x
    11
    )
Question 5
5.
    • Solve :
    •  
       
      (
      x
      )

       
       
      4
        +  
       
       
      (
      x
      4
      )
      =
       
       
      (
      x
      +
      3
      )

       
       
      12
  • 53

    10
  • 41

    8
  • 49

    10
  • 51

    10
  • 61

    12
Question 6
6.
    • Which of the following equations is the same as
    • (
      8
      x
      +
      7
      )
      =
      (
      5
      )
  • (
    5
    x
    +
    6
    )
    =
    (
    3
    x
    4
    )
  • (
    11
    x
    +
    8
    )
    =
    (
    3
    x
    4
    )
  • (
    11
    x
    +
    6
    )
    =
    (
    3
    x
    4
    )
  • (
    5
    x
    +
    8
    )
    =
    (
    3
    x
    6
    )
  • (
    11
    x
    +
    8
    )
    =
    (
    3
    x
    6
    )
Question 7
7.
    • Which of the following equations is the same as
    • (
      6
      x
      +
      5
      )
      =
      0
  • (
    6
    x
    +
    4
    )
    =
    4
  • (
    6
    x
    +
    6
    )
    =
    (
    1
    )
  • (
    6
    x
    +
    2
    )
    =
    (
    1
    )
  • (
    6
    x
    +
    4
    )
    =
    (
    1
    )
  • (
    6
    x
    +
    4
    )
    =
    (
    6
    )
Question 8
8.
    • Which of the following equations is the same as
    • (
      8
      x
      4
      )
      =
      0
  • (
    6
    x
    11
    )
    =
    (
    2
    x
    7
    )
  • (
    6
    x
    11
    )
    =
    (
    2
    x
    +
    7
    )
  • (
    10
    x
    +
    3
    )
    =
    (
    2
    x
    7
    )
  • (
    5
    )
    =
    (
    8
    x
    +
    1
    )
  • (
    16
    x
    3
    )
    =
    (
    8
    x
    1
    )
Question 9
9.
    • Which of the following equations is the same as
    • (
      5
      x
      +
      4
      )
      =
      (
      7
      x
      5
      )
  • (
    5
    x
    +
    7
    )
    =
    (
    7
    x
    2
    )
  • (
    5
    x
    +
    7
    )
    =
    (
    7
    x
    1
    )
  • (
    5
    x
    +
    7
    )
    =
    (
    7
    x
    3
    )
  • (
    5
    x
    +
    3
    )
    =
    (
    7
    x
    2
    )
  • (
    5
    x
    +
    11
    )
    =
    (
    7
    x
    2
    )
Question 10
10.
Which of the following is a linear equation in two variable?
  • (
    x
    9
    y
    4
    z
    +
    6
    )
    =
    (
    8
    x
    +
    9
    y
    +
    9
    z
    3
    )
  • (
    2
    x
    2
    y
    9
    )
    =
    (
    4
    x
    +
    y
    6
    )
  • (
    18
    x
    2
     
    +
    33
    x
    y
    8
    x
    +
    30
    y
    2
     
    37
    y
    +
    10
    )
    =
    0
  • (
    4
    x
    2
     
    8
    x
    +
    4
    )
    =
    (
    8
    x
    +
    6
    )
  • (
    9
    x
    5
    )
    =
    (
    x
    +
    7
    )