CBSE Board Practice

Class VI Class VII Class VIII Class IX Class X
CBSE Grade VII - Simple Equations
Question 1
1.
One of the two equal angles of an isosceles triangle measures 71°. Find the measure of each angle of the triangle.
  • A
    =
    73°
    ,
    B
    =
    71°
    ,
    C
    =
    36°
  • A
    =
    71°
    ,
    B
    =
    69°
    ,
    C
    =
    40°
  • A
    =
    69°
    ,
    B
    =
    73°
    ,
    C
    =
    38°
  • A
    =
    71°
    ,
    B
    =
    71°
    ,
    C
    =
    38°
  • A
    =
    69°
    ,
    B
    =
    71°
    ,
    C
    =
    40°
Question 2
2.
    • The L.H.S of the equation
    • (
      −
      5
      x
      −
      9
      		)
      =
      (
      2
      x
      +
      7
      		)
    • is
  • (
    −
    5
    x
    −
    11
    		)
  • (
    −
    6
    x
    −
    9
    		)
  • (
    −
    5
    x
    −
    9
    		)
  • (
    −
    5
    x
    −
    7
    		)
  • (
    2
    x
    +
    7
    		)
Question 3
3.
    • Which of the following equations is not the same as
    • (
      5
      x
      −
      1
      		)
      =
      0
  • (
    5
    x
    +
    1
    		)
    =
    2
  • (
    5
    x
    +
    3
    		)
    =
    4
  • (
    5
    x
    −
    3
    		)
    =
    (
    −
    2
    		)
  • (
    5
    x
    −
    6
    		)
    =
    5
  • (
    5
    x
    −
    5
    		)
    =
    (
    −
    4
    		)
Question 4
4.
    • Which of the following equations is not equivalent to
    • (
      −
      2
      x
      −
      7
      		)
      =
      (
      −
      6
      		)
  • 6
    x
    =
    (
    −
    3
    		)
  • (
    −
    6
    x
    		)
    =
    3
  • 2
    x
    =
    (
    −
    1
    		)
  • (
    −
    2
    x
    		)
    =
    2
  • 10
    x
    =
    (
    −
    5
    		)
Question 5
5.
In a right-angled triangle if one of the acute angles is 44°, find the measure of the other acute angle.
  • 47°
  • 46°
  • 45°
  • 44°
  • 48°
Question 6
6.
    • Which of the following equations is the same as
    • (
      3
      x
      −
      5
      		)
      =
      (
      −
      2
      x
      +
      7
      		)
  • (
    −
    3
    x
    +
    3
    		)
    =
    (
    2
    x
    −
    7
    		)
  • (
    −
    3
    x
    +
    7
    		)
    =
    (
    2
    x
    −
    7
    		)
  • (
    −
    3
    x
    +
    5
    		)
    =
    (
    2
    x
    −
    4
    		)
  • (
    −
    3
    x
    +
    5
    		)
    =
    (
    2
    x
    −
    10
    		)
  • (
    −
    3
    x
    +
    5
    		)
    =
    (
    2
    x
    −
    7
    		)
Question 7
7.
    • Which of the following equations is not the same as
    • (
      −
      5
      x
      −
      2
      		)
      =
      0
  • (
    −
    5
    x
    −
    7
    		)
    =
    (
    −
    5
    		)
  • (
    −
    5
    x
    +
    1
    		)
    =
    (
    −
    3
    		)
  • (
    −
    5
    x
    +
    3
    		)
    =
    5
  • (
    −
    5
    x
    −
    4
    		)
    =
    (
    −
    2
    		)
  • (
    −
    5
    x
    		)
    =
    2
Question 8
8.
Find the measure of each of the two equal angles of an isosceles right-angled triangle.
  • 47°
  • 46°
  • 44°
  • 43°
  • 45°
Question 9
9.
    • Which of the following equations is the same as
    • (
      x
      +
      1
      		)
      =
      (
      −
      5
      		)
  • x
    =
    (
    −
    3
    		)
  • (
    x
    +
    5
    		)
    =
    (
    −
    6
    		)
  • x
    =
    (
    −
    6
    		)
  • x
    =
    (
    −
    9
    		)
  • (
    x
    −
    5
    		)
    =
    (
    −
    6
    		)
Question 10
10.
    • Which of the following equations is the same as
    • (
      8
      x
      −
      6
      		)
      =
      (
      −
      2
      		)
  • (
    7
    x
    −
    6
    		)
    =
    (
    x
    −
    2
    		)
  • (
    9
    x
    −
    6
    		)
    =
    (
    −
    x
    −
    2
    		)
  • (
    7
    x
    −
    7
    		)
    =
    (
    −
    x
    −
    3
    		)
  • (
    7
    x
    −
    7
    		)
    =
    (
    x
    −
    1
    		)
  • (
    9
    x
    −
    5
    		)
    =
    (
    −
    x
    −
    3
    		)