# IMO- Mathematics Olympiad Class 9: Questions 114 - 119 of 919

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## Question number: 114

MCQ▾

### Question

In the given figure, XY is a mirror, AB is the incident ray and BC is the reflected ray. If ∠ABC = 116˚, then ∠CBY is ________

### Choices

Choice (4) Response

a.

32˚

b.

23˚

c.

43˚

d.

21˚

## Question number: 115

MCQ▾

### Question

In the given figure and, then value of x is________.

### Choices

Choice (4) Response

a.

140˚

b.

125˚

c.

135˚

d.

105˚

## Question number: 116

MCQ▾

### Question

How many sides does a regular polygon have, each angle of which is of measure 135˚?

### Choices

Choice (4) Response

a.

6

b.

9

c.

8

d.

7

## Question number: 117

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: 118

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: 119

MCQ▾

### Question

A die is rolled 10, 500 times. The frequency of each outcome is shown in the table. What is the empirical probability of the outcomes of multiples of 3?

### Choices

Choice (4) Response

a.

b.

c.

d.

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