ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
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
    		)