SSC Board Practice

Class VI Class VII Class VIII Class IX Class X
SSC Grade VIII - Linear Equations in One Variable
Question 1
1.
    • The additive inverse of the expression
    • 5
      x
    • is
  • 5
    x
  • (
    −
    2
    x
    		)
  • (
    −
    5
    x
    		)
  • (
    −
    6
    x
    		)
  • (
    −
    7
    x
    		)
Question 2
2.
    • Solve the equation
    • (
      2
      x
      +
      7
      		)
      =
      (
      6
      x
      −
      9
      		)
  • 6
  • 3
  • 2
  • 4
  • 5
Question 3
3.
    • Solve :
    •  
       
      (
      x
      −
      3
      		)
      		  +  
       
       
      (
      x
      −
      2
      		)
       
       
      5
      =
       
       
      (
      −
      x
      −
      1
      		)
  • 14
    11
  • 10
    11
  • 14
    13
  • 10
    9
  • 12
    11
Question 4
4.
    • Solve the equation
    • (
      −
      x
      −
      2
      		)
      =
      0
  • -4
  • -2
  • -1
  • -3
  • 0
Question 5
5.
    • Which of the following equations is not the same as
    • (
      −
      7
      x
      −
      4
      		)
      =
      0
  • (
    −
    7
    x
    −
    6
    		)
    =
    2
  • (
    −
    7
    x
    −
    5
    		)
    =
    (
    −
    1
    		)
  • (
    −
    7
    x
    −
    3
    		)
    =
    1
  • (
    −
    7
    x
    −
    8
    		)
    =
    (
    −
    4
    		)
  • (
    −
    7
    x
    		)
    =
    4
Question 6
6.
    • The linear equation
    • (
      9
      x
      +
      4
      y
      −
      3
      		)
      =
      (
      7
      x
      −
      3
      y
      +
      6
      		)
    • is equivalent to
  • (
    x
    +
    7
    y
    −
    9
    		)
    =
    0
  • (
    2
    x
    +
    7
    y
    −
    9
    		)
    =
    0
  • (
    3
    x
    +
    7
    y
    −
    9
    		)
    =
    0
  • (
    9
    x
    +
    4
    y
    −
    3
    		)
    =
    (
    7
    x
    −
    y
    +
    6
    		)
  • (
    9
    x
    +
    4
    y
    −
    3
    		)
    =
    (
    7
    x
    −
    6
    y
    +
    6
    		)
Question 7
7.
The ratio of two numbers is
4
:
5
and their LCM is 140. Find the numbers.
  • 20
    		:
    25
  • 28
    		:
    35
  • 24
    		:
    30
  • 36
    		:
    45
  • 32
    		:
    40
Question 8
8.
    • Solve :
    •  
       
      6
       
       
      (
      5
      x
      +
      7
      		)
      		  +  
       
       
      10
       
       
      (
      5
      x
      −
      7
      		)
      =
       
       
      16
       
       
      5
      x
  • (
    -26
    5
    		 )
  • -6
  • (
    -38
    7
    		 )
  • (
    -28
    5
    		 )
Question 9
9.
In a company, the number of engineers to managers is in the ratio 2 : 1 . After a year, when 10 engineers and 15 managers left, the ratio between engineers to managers is 10 : 3 . Find the number of engineers and managers at the beginning?
  • 90
  • 80
  • 100
  • 110
  • 70
Question 10
10.
    • Which of the following equations is equivalent to
    • (
      −
      8
      x
      +
      9
      		)
      =
      7
  • (
    −
    8
    x
    		)
    =
    (
    −
    5
    		)
  • (
    −
    8
    x
    		)
    =
    0
  • (
    −
    8
    x
    		)
    =
    1
  • (
    −
    8
    x
    		)
    =
    (
    −
    4
    		)
  • (
    −
    8
    x
    		)
    =
    (
    −
    2
    		)