CBSE Board Practice

Class VI Class VII Class VIII Class IX Class X
CBSE Grade VIII - Linear Equations in One Variable
Question 1
1.
    • Which of the following equations is not the same as
    • (
      −
      x
      +
      2
      		)
      =
      (
      −
      3
      x
      +
      3
      		)
  • (
    x
    −
    2
    		)
    =
    (
    −
    3
    x
    +
    2
    		)
  • (
    4
    x
    −
    8
    		)
    =
    (
    12
    x
    −
    12
    		)
  • (
    −
    4
    x
    +
    8
    		)
    =
    (
    −
    12
    x
    +
    12
    		)
  • (
    3
    x
    −
    6
    		)
    =
    (
    9
    x
    −
    9
    		)
  • (
    2
    x
    −
    4
    		)
    =
    (
    6
    x
    −
    6
    		)
Question 2
2.
    • Which of the following equations is the same as
    • (
      7
      x
      +
      4
      		)
      =
      (
      −
      7
      x
      −
      7
      		)
  • (
    7
    x
    +
    5
    		)
    =
    (
    −
    7
    x
    −
    9
    		)
  • (
    7
    x
    +
    2
    		)
    =
    (
    −
    7
    x
    −
    10
    		)
  • (
    7
    x
    +
    2
    		)
    =
    (
    −
    7
    x
    −
    8
    		)
  • (
    7
    x
    −
    1
    		)
    =
    (
    −
    7
    x
    −
    9
    		)
  • (
    7
    x
    +
    2
    		)
    =
    (
    −
    7
    x
    −
    9
    		)
Question 3
3.
    • The R.H.S of the equation
    • (
      −
      9
      x
      −
      4
      		)
      =
      (
      7
      x
      −
      4
      		)
    • is
  • (
    −
    9
    x
    −
    4
    		)
  • (
    7
    x
    −
    1
    		)
  • (
    7
    x
    −
    4
    		)
  • (
    7
    x
    −
    7
    		)
  • (
    6
    x
    −
    4
    		)
Question 4
4.
    • Which of the following equations is the same as
    • 7
      x
      =
      (
      −
      9
      		)
  • (
    11
    x
    +
    3
    		)
    =
    (
    −
    4
    x
    −
    12
    		)
  • (
    6
    x
    −
    1
    		)
    =
    (
    x
    −
    8
    		)
  • (
    3
    x
    −
    3
    		)
    =
    (
    4
    x
    −
    6
    		)
  • (
    8
    x
    +
    1
    		)
    =
    (
    −
    x
    −
    10
    		)
  • (
    6
    x
    −
    1
    		)
    =
    (
    −
    x
    −
    10
    		)
Question 5
5.
The ages of A and B are in the ratio 3 : 2. 10 years hence, their ages will be in the ratio 10 : 7. Find their present ages.
  • 96
    		:
    64
  • 84
    		:
    56
  • 90
    		:
    60
  • 87
    		:
    58
Question 6
6.
    • Which of the following equations is not the same as
    • 4
      x
      =
      0
  • (
    4
    x
    +
    2
    		)
    =
    2
  • (
    4
    x
    −
    4
    		)
    =
    (
    −
    4
    		)
  • (
    4
    x
    +
    4
    		)
    =
    4
  • (
    4
    x
    +
    1
    		)
    =
    (
    −
    1
    		)
  • (
    4
    x
    −
    2
    		)
    =
    (
    −
    2
    		)
Question 7
7.
    • A can do a work in
    • 9
      days
    • .
    • With the help of B, A can do the same work in
    • 4
      4
      17
      days
    • .
    • In how many days can B alone do the work?
  • 6
    days
  • 7
    days
  • 8
    days
  • 9
    days
  • 10
    days
Question 8
8.
    • Find the missing value in the equation
    • ____
    • :
    • 2
    • =
    • 18
    • :
    • 3
  • 13
  • 14
  • 9
  • 11
  • 12
Question 9
9.
    • Solve the equation
    • (
      −
      6
      x
      		)
      =
      3
  • 1
    2
  • (
    -3
    2
    		 )
  • (
    -1
    4
    		 )
  • -1
  • (
    -1
    2
    		 )
Question 10
10.
The ages of A and B are in the ratio 10 : 9. 8 years ago, their ages were in the ratio 9 : 8. Find their present ages.
  • 100
    		:
    90
  • 70
    		:
    63
  • 80
    		:
    72
  • 60
    		:
    54