ICSE Board Practice

ICSE Grade VII - Linear Equations
Question 1
1.
    • Which of the following equations is not the same as
    • (
      5
      x
      +
      6
      )
      =
      8
  • (
    5
    x
    +
    5
    )
    =
    7
  • (
    5
    x
    +
    2
    )
    =
    4
  • (
    5
    x
    +
    7
    )
    =
    9
  • (
    5
    x
    +
    10
    )
    =
    12
  • (
    5
    x
    +
    9
    )
    =
    5
Question 2
2.
    • The R.H.S of the equation
    • (
      5
      x
      5
      )
      =
      0
    • is
  • 0
  • (
    5
    x
    5
    )
  • 2
  • (
    3
    )
  • (
    1
    )
Question 3
3.
    • The L.H.S of the equation
    • (
      x
      2
      )
      =
      (
      3
      )
    • is
  • (
    x
    2
    )
  • (
    3
    )
  • (
    x
    5
    )
  • (
    x
    +
    1
    )
  • (
    2
    x
    2
    )
Question 4
4.
    • The value of
    • x
    • in terms of other variables and constant in
    • (
      2
      x
      8
      )
      =
      (
      3
      x
      +
      9
      )
    • is
  • x
    =
    (
    3
    )
  • x
    =
    (
    19

    5
    )
  • x
    =
    (
    23

    7
    )
  • x
    =
    (
    11

    3
    )
  • x
    =
    (
    17

    5
    )
Question 5
5.
    • Solve :
    •  
       
      (
      x
      +
      4
      )
        +  
       
       
      (
      4
      x
      5
      )

       
       
      20
      =
       
       
      (
      4
      x
      +
      3
      )

       
       
      10
  • 73

    34
  • 71

    32
  • 13

    6
  • 69

    32
  • 67

    32
Question 6
6.
    • Which of the following equations is the same as
    • (
      3
      x
      +
      5
      )
      =
      (
      5
      )
  • (
    4
    x
    +
    6
    )
    =
    (
    x
    4
    )
  • (
    2
    x
    +
    4
    )
    =
    (
    x
    4
    )
  • (
    6
    x
    +
    3
    )
    =
    (
    9
    x
    3
    )
  • (
    12
    x
    +
    7
    )
    =
    (
    9
    x
    7
    )
  • (
    4
    x
    +
    6
    )
    =
    (
    x
    6
    )
Question 7
7.
    • Which of the following equations is the same as
    • (
      2
      x
      +
      1
      )
      =
      0
  • (
    2
    x
    +
    10
    )
    =
    5
  • (
    2
    x
    +
    6
    )
    =
    7
  • (
    2
    x
    +
    2
    )
    =
    5
  • (
    2
    x
    +
    6
    )
    =
    3
  • (
    2
    x
    +
    6
    )
    =
    5
Question 8
8.
Which of the following is a linear equation in one variable?
  • (
    14
    x
    2
     
    +
    17
    x
    6
    )
    =
    0
  • (
    3
    x
    4
    y
    3
    )
    =
    0
  • (
    18
    x
    2
     
    48
    x
    y
    9
    x
    +
    30
    y
    2
     
    +
    11
    y
    +
    1
    )
    =
    0
  • (
    5
    x
    +
    2
    )
    =
    0
  • (
    6
    x
    +
    8
    y
    +
    7
    z
    +
    1
    )
    =
    0
Question 9
9.
    • Solve the equation
    • (
      9
      x
      +
      8
      )
      =
      (
      1
      )
  • -1
  • -2
  • 0
  • -3
  • 1
Question 10
10.
    • Solve :
    •  
       
      (
      5
      x
      1
      )

       
       
      6
        +  
       
       
      (
      x
      +
      1
      )

       
       
      3
      =
       
       
      (
      2
      x
      +
      1
      )
  • 2
  • -2
  • 0
  • -3
  • -1