Class 7 Lines And Angles CBSE Questions & Answers

Class 7 · Lines And Angles

This is Mathematics Class 7 Lines and Angles CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Two supplementary angles are in the ratio 3 : 2. Find the angles.
  • A
    108 \(^\circ \), 36 \(^\circ \)
  • B
    36 \(^\circ \), 72 \(^\circ \)
  • C
    108 \(^\circ \), 72 \(^\circ \)
    Correct
  • D
    100 \(^\circ \), 80 \(^\circ \)
2
Two complementary angles are in the ratio 4 : 5. Find the angles.
  • A
    40\(^\circ \), 50\(^\circ \)
    Correct
  • B
    60\(^\circ \), 30\(^\circ \)
  • C
    80\(^\circ \), 10\(^\circ \)
  • D
    70\(^\circ \), 20\(^\circ \)
3
Find the value of x in adjoining figure if l\(\parallel \)m.
Question 3 figure 1
  • A
    100\(^\circ \)
    Correct
  • B
    90\(^\circ \)
  • C
    70\(^\circ \)
  • D
    80\(^\circ \)
4
Lines l \(\parallel \) m, p\(\parallel \)q; Find a.
Question 4 figure 1
  • A
    70\(^\circ \)
  • B
    90\(^\circ \)
  • C
    120\(^\circ \)
    Correct
  • D
    80\(^\circ \)
5
Lines l \(\parallel \) m, p \(\parallel \) q; Find b.
Question 5 figure 1
  • A
    60\(^\circ \)
    Correct
  • B
    90\(^\circ \)
  • C
    80\(^\circ \)
  • D
    70\(^\circ \)
6
Lines l \(\parallel \) m, p \(\parallel \) q; Find c.
Question 6 figure 1
  • A
    60\(^\circ \)
    Correct
  • B
    90\(^\circ \)
  • C
    70\(^\circ \)
  • D
    80\(^\circ \)
7
Lines l \(\parallel \) m, p\(\parallel \) q; Find d.
Question 7 figure 1
  • A
    70\(^\circ \)
  • B
    90\(^\circ \)
  • C
    80\(^\circ \)
  • D
    120\(^\circ \)
    Correct
8
Lines l \(\parallel \) m; t is a transversal Find the value of x.
Question 8 figure 1
  • A
    70\(^\circ \)
  • B
    80\(^\circ \)
  • C
    90\(^\circ \)
  • D
    120\(^\circ \)
    Correct
9
Lines l \(\parallel \) m; t is a transversal. Find the value of z.
Question 9 figure 1
  • A
    70\(^\circ \)
  • B
    80\(^\circ \)
  • C
    90\(^\circ \)
  • D
    120\(^\circ \)
    Correct
10
Find the value of x in below figure if l \(\parallel \) m.
Question 10 figure 1
  • A
    90\(^\circ \)
  • B
    70\(^\circ \)
  • C
    60\(^\circ \)
    Correct
  • D
    80\(^\circ \)
11
In figure, find the value of x.
Question 11 figure 1
  • A
    200\(^\circ \)
  • B
    285\(^\circ \)
    Correct
  • C
    150\(^\circ \)
  • D
    180\(^\circ \)
12
Two complementary angles are in the ratio 3 : 6. Find the angles.
  • A
    None of these
  • B
    10\(^\circ \), 80\(^\circ \)
  • C
    20\(^\circ \), 70\(^\circ \)
  • D
    30\(^\circ \), 60\(^\circ \)
    Correct
13
Which pair of following angles are complementary?
  • A
    50\(^\circ \), 40\(^\circ \)
    Correct
  • B
    45\(^\circ \), 55\(^\circ \)
  • C
    48\(^\circ \), 52\(^\circ \)
  • D
    40\(^\circ \), 40\(^\circ \)
14
Which pair of following angles are supplementary?
  • A
    65\(^\circ \), 105\(^\circ \)
  • B
    45\(^\circ \), 45\(^\circ \)
  • C
    30\(^\circ \), 150\(^\circ \)
    Correct
  • D
    50\(^\circ \), 110\(^\circ \)
15
Which pair of following angles are complementary?
  • A
    75\(^\circ \), 35\(^\circ \)
  • B
    48\(^\circ \), 62\(^\circ \)
  • C
    80\(^\circ \), 10\(^\circ \)
    Correct
  • D
    45\(^\circ \), 65\(^\circ \)