ICSE Board Practice

ICSE Grade VII - Linear Equations
Question 1
1.
    • Solve :
    •    
       
       
      1

       
       
      (
      x
      1
      )
         
       
       
      4

       
       
      (
      x
      +
      5
      )
      =
         
       
       
      3

       
       
      (
      x
      +
      5
      )
         
       
       
      2

       
       
      (
      x
      4
      )
  • (
    -1

    2
    )
  • (
    -3

    2
    )
  • -1
  • (
    -1

    4
    )
  • 1

    2
Question 2
2.
Which of the following is a linear equation in three variable?
  • (
    20
    x
    2
     
    +
    57
    x
    y
    +
    22
    x
    27
    y
    2
     
    +
    12
    )
    =
    0
  • (
    x
    6
    y
    9
    z
    7
    )
    =
    (
    9
    x
    3
    y
    3
    z
    1
    )
  • (
    5
    x
    +
    2
    y
    +
    3
    )
    =
    (
    6
    x
    3
    y
    +
    1
    )
  • (
    40
    x
    2
     
    59
    x
    21
    )
    =
    (
    5
    x
    4
    )
  • (
    3
    x
    9
    )
    =
    (
    8
    x
    +
    4
    )
Question 3
3.
    • Which of the following equations is not equivalent to
    • (
      3
      x
      +
      4
      )
      =
      (
      2
      x
      +
      3
      )
  • (
    x
    )
    =
    1
  • 4
    x
    =
    (
    4
    )
  • x
    =
    (
    1
    )
  • (
    2
    x
    )
    =
    2
  • x
    =
    (
    6
    )
Question 4
4.
    • Which of the following equations is not the same as
    • (
      2
      x
      +
      2
      )
      =
      0
  • (
    2
    x
    +
    6
    )
    =
    4
  • (
    2
    x
    3
    )
    =
    5
  • (
    2
    x
    2
    )
    =
    (
    4
    )
  • (
    2
    x
    +
    4
    )
    =
    2
  • (
    2
    x
    )
    =
    (
    2
    )
Question 5
5.
    • The R.H.S of the equation
    • (
      5
      x
      9
      )
      =
      (
      4
      x
      9
      )
    • is
  • (
    4
    x
    11
    )
  • (
    5
    x
    9
    )
  • (
    4
    x
    6
    )
  • (
    4
    x
    9
    )
  • (
    5
    x
    9
    )
Question 6
6.
    • Which of the following equations is not the same as
    • (
      3
      x
      2
      )
      =
      0
  • (
    3
    x
    +
    3
    )
    =
    5
  • (
    3
    x
    7
    )
    =
    (
    5
    )
  • (
    3
    x
    )
    =
    2
  • (
    3
    x
    +
    1
    )
    =
    (
    3
    )
  • (
    3
    x
    4
    )
    =
    (
    2
    )
Question 7
7.
    • Which of the following equations is not the same as
    • (
      6
      x
      9
      )
      =
      0
  • (
    7
    x
    11
    )
    =
    (
    x
    2
    )
  • (
    x
    7
    )
    =
    (
    7
    x
    +
    2
    )
  • (
    13
    x
    11
    )
    =
    (
    7
    x
    2
    )
  • (
    7
    x
    11
    )
    =
    (
    x
    +
    2
    )
  • (
    5
    x
    7
    )
    =
    (
    x
    +
    2
    )
Question 8
8.
    • Solve the equation
    • (
      x
      +
      7
      )
      =
      0
  • -10
  • -7
  • -6
  • -8
  • -5
Question 9
9.
    • Solve :
    •  
       
      (
      x
      1
      )

       
       
      2
        +  
       
       
      (
      x
      +
      2
      )
      =
       
       
      (
      x
      4
      )

       
       
      7
  • 31

    23
  • 29

    23
  • 31

    25
  • 9

    7
  • 27

    23
Question 10
10.
    • Which of the following equations is equivalent to
    • (
      2
      x
      2
      )
      =
      3
  • 2
    x
    =
    1
  • 2
    x
    =
    7
  • 2
    x
    =
    9
  • 2
    x
    =
    5
  • 2
    x
    =
    3