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 equivalent to
    • (
      −
      x
      +
      3
      		)
      =
      0
  • (
    −
    x
    		)
    =
    (
    −
    2
    		)
  • (
    −
    x
    		)
    =
    (
    −
    4
    		)
  • (
    −
    x
    		)
    =
    (
    −
    7
    		)
  • (
    −
    x
    		)
    =
    1
  • (
    −
    x
    		)
    =
    (
    −
    3
    		)
Question 2
2.
    • Solve the equation
    • 8
      x
      =
      4
  • 1
    4
  • (
    -1
    2
    		 )
  • 1
    2
  • 3
    2
  • 1
Question 3
3.
    • Which of the following equations is the same as
    • (
      −
      7
      x
      −
      5
      		)
      =
      (
      −
      3
      x
      −
      8
      		)
  • (
    −
    7
    x
    −
    7
    		)
    =
    (
    −
    3
    x
    −
    6
    		)
  • (
    −
    7
    x
    −
    8
    		)
    =
    (
    −
    3
    x
    −
    10
    		)
  • (
    −
    7
    x
    −
    7
    		)
    =
    (
    −
    3
    x
    −
    14
    		)
  • (
    −
    7
    x
    −
    6
    		)
    =
    (
    −
    3
    x
    −
    10
    		)
  • (
    −
    7
    x
    −
    7
    		)
    =
    (
    −
    3
    x
    −
    10
    		)
Question 4
4.
The ratio between the base angle and the vertical angle of an isosceles triangle is 13 : 10. Find each angle of the triangle
  • A
    =
    48°
    ,
    B
    =
    65°
    ,
    C
    =
    67°
  • A
    =
    50°
    ,
    B
    =
    65°
    ,
    C
    =
    65°
  • A
    =
    48°
    ,
    B
    =
    67°
    ,
    C
    =
    65°
  • A
    =
    50°
    ,
    B
    =
    63°
    ,
    C
    =
    67°
  • A
    =
    52°
    ,
    B
    =
    65°
    ,
    C
    =
    63°
Question 5
5.
    • Which of the following equations is the same as
    • (
      −
      3
      x
      +
      3
      		)
      =
      8
  • (
    −
    2
    x
    +
    2
    		)
    =
    (
    −
    x
    +
    9
    		)
  • (
    −
    6
    x
    +
    1
    		)
    =
    (
    −
    3
    x
    +
    6
    		)
  • (
    −
    4
    x
    +
    4
    		)
    =
    (
    x
    +
    7
    		)
  • (
    −
    6
    x
    +
    1
    		)
    =
    (
    3
    x
    +
    10
    		)
  • 5
    =
    (
    −
    3
    x
    +
    6
    		)
Question 6
6.
    • Which of the following equations is not the same as
    • (
      −
      x
      −
      6
      		)
      =
      0
  • (
    −
    7
    x
    −
    7
    		)
    =
    (
    −
    6
    x
    −
    1
    		)
  • (
    −
    5
    x
    +
    3
    		)
    =
    (
    −
    4
    x
    +
    9
    		)
  • (
    3
    x
    −
    15
    		)
    =
    (
    4
    x
    −
    9
    		)
  • (
    5
    x
    −
    5
    		)
    =
    (
    6
    x
    +
    1
    		)
  • (
    −
    5
    x
    +
    3
    		)
    =
    (
    4
    x
    −
    9
    		)
Question 7
7.
    • Which of the following equations is not the same as
    • (
      −
      2
      x
      −
      2
      		)
      =
      7
  • (
    −
    10
    x
    −
    10
    		)
    =
    35
  • (
    −
    8
    x
    −
    8
    		)
    =
    11
  • (
    6
    x
    +
    6
    		)
    =
    (
    −
    21
    		)
  • (
    −
    4
    x
    −
    4
    		)
    =
    14
  • (
    2
    x
    +
    2
    		)
    =
    (
    −
    7
    		)
Question 8
8.
Calculate the value of x in the following figure
  • x
    =
    65.08°
  • x
    =
    67.08°
  • x
    =
    66.08°
  • x
    =
    68.08°
  • x
    =
    69.08°
Question 9
9.
    • Which of the following equations is the same as
    • (
      4
      x
      +
      2
      		)
      =
      0
  • (
    16
    x
    +
    8
    		)
    =
    5
  • (
    16
    x
    +
    8
    		)
    =
    0
  • (
    16
    x
    +
    5
    		)
    =
    0
  • (
    16
    x
    +
    8
    		)
    =
    (
    −
    5
    		)
  • (
    16
    x
    +
    11
    		)
    =
    0
Question 10
10.
    • Solve the equation
    • (
      x
      −
      8
      		)
      =
      0
  • 6
  • 11
  • 9
  • 8
  • 7