# Lines, Angles and Quadrilaterals (IMO- Mathematics Olympiad (SOF) Class 9): Questions 62 - 66 of 126

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## Question number: 62

MCQ▾

### Question

In figure, lines a and b intersect at O. if, the value of y, z and u respectively is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 63

MCQ▾

### Question

In a parallelogram PQRS, , then the measurement of ∠S is ________

### Choices

Choice (4) Response

a.

75˚

b.

95˚

c.

100˚

d.

65˚

## Question number: 64

MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

30˚, 90˚, 60˚, 20˚

b.

30˚, 60˚, 45˚, 15˚

c.

36˚, 60˚, 108˚, 156˚

d.

45˚, 20˚, 30˚, 60˚

## Question number: 65

MCQ▾

### Question

In the adjacent figure, PQRS is a rhombus whose diagonals PR and QS intersect at a point O if side PQ = 20 cm and diagonal QS = 24 cm, the length of diagonal PR is ________

### Choices

Choice (4) Response

a.

30

b.

28

c.

32

d.

34

## Question number: 66

MCQ▾

### Question

The sides BA and DC of the quadrilateral ABCD are produced as shown in the figure, then________.

### Choices

Choice (4) Response

a.

b.

c.

d.

f Page