# Lines, Angles and Quadrilaterals (IMO- Mathematics Olympiad Class 9): Questions 16 - 20 of 126

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## Question number: 16

» Lines, Angles and Quadrilaterals

MCQ▾

### Question

Two supplementary angles differ by 94˚. Then the angles are ________

### Choices

Choice (4) Response

a.

67˚, 113˚

b.

120˚, 60˚

c.

142˚, 38˚

d.

137˚, 43˚

## Question number: 17

» Lines, Angles and Quadrilaterals

MCQ▾

### Question

In the figure below, lines PQ and JK intersect at O. if and, then are equal to ________

### Choices

Choice (4) Response

a.

90˚

b.

54˚

c.

58˚

d.

56˚

## Question number: 18

» Lines, Angles and Quadrilaterals

MCQ▾

### Question

In the given figure, and . Then ∠URS is________

### Choices

Choice (4) Response

a.

140˚

b.

160˚

c.

190˚

d.

120˚

## Question number: 19

» Lines, Angles and Quadrilaterals

MCQ▾

### Question

If l, m, n are three parallel lines and the transversals t1 and t2 cut the lines l, m, n at the points A, B, C and P, Q, R as shown in the figure, then________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 20

» Lines, Angles and Quadrilaterals

MCQ▾

### Question

The angles of quadrilateral are in the ratio . All angles of a quadrilaterals are________

### Choices

Choice (4) Response

a.

72˚, 36˚, 108˚, 144˚

b.

36˚, 60˚, 20˚, 156˚

c.

145˚, 20˚, 30˚, 60˚

d.

108˚, 144˚, 45˚, 15˚

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