# IMO- Mathematics Olympiad Class 9: Questions 135 - 140 of 919

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## Question number: 135

MCQ▾

### Question

If , and, then x and y respectively are ________

### Choices

Choice (4) Response

a.

30˚, 45˚

b.

60˚, 78˚

c.

20˚, 85˚

d.

30˚, 90˚

## Question number: 136

MCQ▾

### Question

The angles of a triangle are in the ratio . The triangle is ________

### Choices

Choice (4) Response

a.

Acute

b.

Right

c.

Isosceles

d.

Obtuse

## Question number: 137

MCQ▾

### Question

In figure below, if , and , find ∠PVT, ∠VTU and ∠UVT.

### Choices

Choice (4) Response

a.

54˚

b.

55˚

c.

56˚

d.

57˚

## Question number: 138

MCQ▾

### Question

Diagonals of a rectangle PQRS intersect at O. If∠POS = 86˚, then ∠RQO is ________

### Choices

Choice (4) Response

a.

47˚

b.

79˚

c.

50˚

d.

68˚

## Question number: 139

MCQ▾

### Question

In the given figure, PQRS is a trapezium in which PQ = 9 cm, PR = QS = 10 cm, RS = x cm and the distance between PQ and RS is 8 cm. Then the value of x is ________

### Choices

Choice (4) Response

a.

22 cm

b.

17 cm

c.

14 cm

d.

21 cm

## Question number: 140

MCQ▾

### Question

In the given figure, , and , find

### Choices

Choice (4) Response

a.

55˚

b.

45˚

c.

60˚

d.

50˚

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