# Lines, Angles and Quadrilaterals (IMO- Mathematics Olympiad Class 9): Questions 94 - 99 of 126

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## Question number: 94

MCQ▾

### Question

In the figure, form a linear pair and . Then a, b respectively are________

### Choices

Choice (4) Response

a.

130˚, 50˚

b.

70˚, 120˚

c.

160˚, 70˚

d.

70˚, 110˚

## Question number: 95

MCQ▾

### Question

If two supplementary angles are in the ratio 2: 3, then the angles is ________

### Choices

Choice (4) Response

a.

140˚, 80˚

b.

185˚, 50˚

c.

160˚, 36˚

d.

72˚, 108˚

## Question number: 96

MCQ▾

### Question

The angles A, B, C, D, in the parallelogram ABCD are________

### Choices

Choice (4) Response

a.

90˚, 90˚, 90˚, 90˚

b.

30˚, 60˚, 20˚, 40˚

c.

90˚, 45˚, 30˚, 15˚

d.

90˚, 45˚, 15˚, 20˚

## Question number: 97

MCQ▾

### Question

In the given figure, and . Then ∠PSX is________

### Choices

Choice (4) Response

a.

45˚

b.

60˚

c.

155˚

d.

90˚

## Question number: 98

MCQ▾

### Question

Diagonals of a rectangle ABCD intersect at O. if , then ∠DCO is ________

### Choices

Choice (4) Response

a.

70˚

b.

55˚

c.

35˚

d.

110˚

## Question number: 99

MCQ▾

### Question

In the given figure, BO, CO is angle bisectors of external angles of △ABC. Then BOC is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

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