CBSE Board Practice

Class VI Class VII Class VIII Class IX Class X
CBSE Grade VII - Simple Equations
Question 1
1.
    • Which of the following equations is not equivalent to
    • (
      7
      x
      +
      1
      		)
      =
      (
      9
      x
      +
      3
      		)
  • (
    −
    6
    x
    		)
    =
    6
  • (
    −
    8
    x
    		)
    =
    8
  • (
    −
    2
    x
    		)
    =
    2
  • (
    −
    2
    x
    		)
    =
    (
    −
    1
    		)
  • 4
    x
    =
    (
    −
    4
    		)
Question 2
2.
    • Which of the following equations is the same as
    • (
      −
      4
      x
      +
      7
      		)
      =
      0
  • (
    −
    13
    x
    +
    2
    		)
    =
    (
    9
    x
    +
    5
    		)
  • (
    5
    x
    +
    12
    		)
    =
    (
    −
    9
    x
    −
    5
    		)
  • (
    −
    x
    +
    6
    		)
    =
    (
    −
    3
    x
    +
    1
    		)
  • (
    −
    13
    x
    +
    2
    		)
    =
    (
    −
    9
    x
    −
    5
    		)
  • (
    −
    7
    x
    +
    8
    		)
    =
    (
    3
    x
    −
    1
    		)
Question 3
3.
    • Solve the equation
    • (
      −
      4
      x
      +
      3
      		)
      =
      (
      7
      x
      +
      5
      		)
  • (
    -2
    11
    		 )
  • 0
  • (
    -2
    9
    		 )
  • (
    -2
    13
    		 )
  • (
    -4
    11
    		 )
Question 4
4.
    • Solve the equation
    • (
      −
      x
      +
      2
      		)
      =
      0
  • 1
  • 3
  • 2
  • 4
  • -1
Question 5
5.
Find the unknown angle in the following figure
  • x
    =
    53°
  • x
    =
    55°
  • x
    =
    54°
  • x
    =
    56°
  • x
    =
    52°
Question 6
6.
Find the angles of the triangle
  • F
    =
    62°
    ,
    G
    =
    45°
    ,
    H
    =
    73°
  • F
    =
    58°
    ,
    G
    =
    45°
    ,
    H
    =
    77°
  • F
    =
    60°
    ,
    G
    =
    45°
    ,
    H
    =
    75°
  • F
    =
    58°
    ,
    G
    =
    47°
    ,
    H
    =
    75°
  • F
    =
    60°
    ,
    G
    =
    43°
    ,
    H
    =
    77°
Question 7
7.
    • The R.H.S of the equation
    • (
      −
      4
      x
      −
      2
      		)
      =
      (
      7
      x
      +
      8
      		)
    • is
  • (
    7
    x
    +
    8
    		)
  • (
    7
    x
    +
    10
    		)
  • (
    6
    x
    +
    8
    		)
  • (
    7
    x
    +
    6
    		)
  • (
    −
    4
    x
    −
    2
    		)
Question 8
8.
The vertical angle of an isosceles triangle is twice the sum of its base angles. Find each angle of the triangle.
  • A
    =
    120°
    ,
    B
    =
    30°
    ,
    C
    =
    30°
  • A
    =
    120°
    ,
    B
    =
    28°
    ,
    C
    =
    32°
  • A
    =
    122°
    ,
    B
    =
    30°
    ,
    C
    =
    28°
  • A
    =
    118°
    ,
    B
    =
    30°
    ,
    C
    =
    32°
  • A
    =
    118°
    ,
    B
    =
    32°
    ,
    C
    =
    30°
Question 9
9.
    • Which of the following equations is the same as
    • (
      −
      8
      x
      −
      2
      		)
      =
      0
  • (
    −
    8
    x
    −
    1
    		)
    =
    2
  • (
    −
    8
    x
    		)
    =
    7
  • (
    −
    8
    x
    		)
    =
    (
    −
    3
    		)
  • (
    −
    8
    x
    +
    1
    		)
    =
    2
  • (
    −
    8
    x
    		)
    =
    2
Question 10
10.
In the given triangle, ∠D = 68°. Find the measure of ∠E and ∠F
  • ∠E = ∠F = 57°
  • ∠E = ∠F = 58°
  • ∠E = ∠F = 56°
  • ∠E = ∠F = 55°
  • ∠E = ∠F = 54°