ICSE Board Practice

ICSE Grade VIII - Simple Linear Equations
Question 1
1.
    • Which of the following equations is not the same as
    • (
      5
      x
      4
      )
      =
      (
      4
      x
      5
      )
  • (
    2
    x
    6
    )
    =
    (
    x
    3
    )
  • (
    2
    x
    6
    )
    =
    (
    7
    x
    7
    )
  • (
    6
    x
    1
    )
    =
    (
    3
    x
    2
    )
  • (
    8
    x
    2
    )
    =
    (
    x
    3
    )
  • (
    4
    x
    7
    )
    =
    (
    5
    x
    8
    )
Question 2
2.
    • Which of the following equations is the same as
    • (
      6
      x
      8
      )
      =
      (
      7
      x
      +
      5
      )
  • (
    7
    x
    9
    )
    =
    (
    6
    x
    +
    6
    )
  • (
    7
    x
    15
    )
    =
    (
    6
    x
    +
    12
    )
  • (
    7
    x
    15
    )
    =
    (
    8
    x
    2
    )
  • (
    5
    x
    7
    )
    =
    (
    8
    x
    +
    4
    )
  • (
    5
    x
    1
    )
    =
    (
    8
    x
    2
    )
Question 3
3.
    • Solve :
    •  
       
      (
      x
      2
      )

       
       
      2
        +  
       
       
      (
      x
      1
      )

       
       
      5
      =
       
       
      (
      x
      +
      3
      )

       
       
      8
  • (
    -67

    25
    )
  • (
    -65

    23
    )
  • (
    -61

    23
    )
  • (
    -63

    23
    )
  • (
    -59

    21
    )
Question 4
4.
    • The R.H.S of the equation
    • (
      8
      x
      5
      )
      =
      (
      9
      x
      2
      )
    • is
  • (
    8
    x
    5
    )
  • (
    9
    x
    4
    )
  • (
    9
    x
    2
    )
  • (
    9
    x
    )
  • (
    10
    x
    2
    )
Question 5
5.
    • Which of the following equations is not the same as
    • (
      3
      x
      3
      )
      =
      (
      7
      )
  • (
    3
    x
    7
    )
    =
    (
    11
    )
  • (
    3
    x
    4
    )
    =
    (
    8
    )
  • (
    3
    x
    2
    )
    =
    (
    6
    )
  • (
    3
    x
    8
    )
    =
    (
    2
    )
  • (
    3
    x
    +
    1
    )
    =
    (
    3
    )
Question 6
6.
One angle of a triangle measures 25° and the other two angles are in the ratio 7 : 24. Find these angles.
  • B
    =
    36°
    ,
    C
    =
    121°
  • B
    =
    35°
    ,
    C
    =
    120°
  • B
    =
    37°
    ,
    C
    =
    122°
  • B
    =
    33°
    ,
    C
    =
    118°
  • B
    =
    34°
    ,
    C
    =
    119°
Question 7
7.
    • Solve :
    •  
       
      (
      3
      x
      4
      )

       
       
      3
        +  
       
       
      (
      x
      4
      )

       
       
      2
      =
       
       
      (
      4
      x
      2
      )

       
       
      6
  • (
    -16

    7
    )
  • (
    -14

    5
    )
  • (
    -22

    9
    )
  • (
    -20

    7
    )
  • (
    -18

    7
    )
Question 8
8.
    • Which of the following equations is not equivalent to
    • (
      8
      x
      2
      )
      =
      0
  • (
    16
    x
    )
    =
    (
    4
    )
  • (
    8
    x
    )
    =
    (
    2
    )
  • (
    24
    x
    )
    =
    (
    6
    )
  • 32
    x
    =
    8
  • 8
    x
    =
    (
    2
    )
Question 9
9.
    • Solve :
    •  
       
      (
      5
      x
      3
      )
        +  
       
       
      (
      2
      x
      1
      )

       
       
      4
      =
       
       
      (
      3
      x
      +
      4
      )

       
       
      2
  • (
    -19

    14
    )
  • (
    -21

    16
    )
  • (
    -19

    16
    )
  • (
    -23

    16
    )
  • (
    -23

    18
    )
Question 10
10.
    • Which of the following equations is the same as
    • (
      6
      x
      +
      7
      )
      =
      (
      6
      x
      4
      )
  • (
    6
    x
    +
    12
    )
    =
    (
    6
    x
    1
    )
  • (
    6
    x
    +
    13
    )
    =
    (
    6
    x
    +
    1
    )
  • (
    6
    x
    +
    11
    )
    =
    (
    6
    x
    +
    1
    )
  • (
    6
    x
    +
    12
    )
    =
    (
    6
    x
    +
    3
    )
  • (
    6
    x
    +
    12
    )
    =
    (
    6
    x
    +
    1
    )