# Lines, Angles and Quadrilaterals (IMO- Mathematics Olympiad (SOF) Class 9): Questions 46 - 50 of 126

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## Question number: 46

MCQ▾

### Question

The value of x in the given figure is ________

### Choices

Choice (4) Response

a.

118˚

b.

20˚

c.

72˚

d.

223˚

## Question number: 47

MCQ▾

### Question

In the figure, if , then x = ________

### Choices

Choice (4) Response

a.

45˚

b.

60˚

c.

29˚

d.

30˚

## Question number: 48

MCQ▾

### Question

The given figure, PQRS is a trapezium in which ∠P= (y + 15) ˚, ∠Q= (3y + 25) ˚, ∠R = 75˚ and ∠S = x˚ then the value of x and y are________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 49

MCQ▾

### Question

The measurement of a window is , if 12 doors are to be fixed in that window in four rows, measurements of each door should be________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 50

MCQ▾

### Question

If two complementary angles are in the ratio 17: 13, then the angles are________

### Choices

Choice (4) Response

a.

25˚, 65˚

b.

55˚, 35˚

c.

60˚, 30˚

d.

51˚, 39˚

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