CBSE Class 7 Maths Chapter 5 MCQs With Solutions

Explore the NCERT Class 7 Maths Chapter 5 Lines and Angles MCQ Questions with Answers, available for free download in PDF format. These MCQs are created according to the latest exam pattern to help students strengthen their understanding of key concepts. Each question comes with an answer to support effective practice and quick revision.

For deeper clarity and improved exam readiness, students can also refer to the NCERT Solutions for Class 7 Maths Chapter 5 – Lines and Angles and boost their overall scores.

Class 7 Maths Chapter 5 MCQs With Solutions

1. The angle formed by two rays with a common endpoint is called:
   a) Line   b) Line segment   c) Angle   d) Vertex
   Answer: c
2. The common endpoint of two rays forming an angle is called:
   a) Edge   b) Vertex   c) Point   d) Corner
   Answer: b
3. A straight angle measures:
   a) 90°   b) 45°   c) 180°   d) 360°
   Answer: c
4. A right angle measures:
   a) 30°   b) 60°   c) 90°   d) 120°
   Answer: c
5. An obtuse angle is:
   a) More than 90° but less than 180°
   b) Less than 90°
   c) More than 180°
   d) Equal to 0°
   Answer: a
6. An acute angle measures:
   a) Less than 90°   b) Equal to 90°   c) More than 180°   d) Equal to 180°
   Answer: a
7. A reflex angle measures:
   a) Less than 90°   b) Between 90° and 180°   c) More than 180°   d) Exactly 180°
   Answer: c
8. The angle which measures 360° is called:
   a) Full angle   b) Straight angle   c) Right angle   d) Zero angle
   Answer: a
9. If two angles add up to 90°, they are:
   a) Linear pair   b) Supplementary   c) Complementary   d) Adjacent
   Answer: c
10. If two angles add up to 180°, they are:
    a) Complementary   b) Supplementary   c) Reflex   d) Right angles
    Answer: b
11. Adjacent angles have:
    a) Common vertex
    b) Common arm
    c) No overlapping
    d) All of the above
    Answer: d
12. A linear pair of angles sums to:
    a) 90°   b) 180°   c) 360°   d) 45°
    Answer: b
13. Vertically opposite angles are always:
    a) Equal   b) Supplementary   c) Complementary   d) Acute
    Answer: a
14. When two lines intersect, they form:
    a) One angle   b) Two angles   c) Three angles   d) Four angles
    Answer: d
15. A pair of vertically opposite angles can be:
    a) Acute   b) Obtuse   c) Equal   d) Adjacent
    Answer: c
16. A line which intersects two or more lines at distinct points is called:
    a) Ray   b) Segment   c) Transversal   d) Bisector
    Answer: c
17. Corresponding angles are formed when:
    a) Two lines intersect
    b) A transversal cuts two parallel lines
    c) Two rays meet
    d) None
    Answer: b
18. Interior angles lie:
    a) Inside the parallel lines
    b) Outside the lines
    c) On the transversal only
    d) None
    Answer: a
19. Alternate interior angles are:
    a) Equal   b) Supplementary   c) Complementary   d) Unequal
    Answer: a
20. Sum of co-interior angles is:
    a) 90°   b) 180°   c) 360°   d) 45°
    Answer: b
21. If one angle of a linear pair is 70°, the other is:
    a) 70°   b) 110°   c) 180°   d) 90°
    Answer: b
22. If two complementary angles are in the ratio 1:2, the larger angle is:
    a) 20°   b) 30°   c) 40°   d) 60°
    Answer: d
23. If two supplementary angles are equal, each is:
    a) 45°   b) 90°   c) 60°   d) 180°
    Answer: b
24. If vertically opposite angles measure 50°, then the adjacent angle measures:
    a) 50°   b) 130°   c) 90°   d) 180°
    Answer: b
25. If corresponding angles measure 120°, then alternate interior angles measure:
    a) 30°   b) 60°   c) 120°   d) 100°
    Answer: c
26. If ∠A = 45°, ∠B is complementary to A. Then ∠B =
    a) 135°   b) 45°   c) 90°   d) 45°
    Answer: d (because 90° − 45° = 45°)
27. If ∠x and ∠y are supplementary and ∠x = 140°, then ∠y =
    a) 50°   b) 40°   c) 30°   d) 20°
    Answer: b
28. If a transversal cuts two parallel lines, which angle pair is always equal?
    a) Co-interior angles
    b) Supplementary angles
    c) Corresponding angles
    d) None
    Answer: c
29. In a figure, if a corresponding angle = 75°, then the alternate exterior angle =
    a) 105°   b) 75°   c) 45°   d) 90°
    Answer: b
30. If ∠A and ∠B are vertically opposite angles and ∠A = 98°, then ∠B =
    a) 82°   b) 98°   c) 180°   d) 98.5°
    Answer: b
31. If ∠1 = (2x + 10)° and ∠2 = (4x − 50)° are vertically opposite angles, value of x is:
    a) 20   b) 15   c) 30   d) 40
    Answer: a
32. If ∠A + ∠B = 180° and ∠A = 3x, ∠B = 4x, find x:
    a) 10   b) 20   c) 30   d) 25
    Answer: b
33. If the difference between supplementary angles is 60°, the angles are:
    a) 60° and 120°   b) 50° and 130°   c) 70° and 110°   d) 90° and 90°
    Answer: a
34. A reflex angle can be:
    a) 75°   b) 120°   c) 200°   d) 180°
    Answer: c
35. If two angles form a linear pair and one is 5x and the other is 4x, then x =
    a) 10°   b) 20°   c) 15°   d) 25°
    Answer: b