IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 112 - 118 of 929

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Question number: 112

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

If , and , then x and y respectively are ________

Image shows AB and CD parallel line, find x, y

Image Shows AB and CD Parallel Line, Find X, Y

Choices

Choice (4)Response

a.

35˚, 55˚

b.

90˚, 30˚

c.

45˚, 35˚

d.

65˚, 25˚

Question number: 113

» Lines, Angles and Quadrilaterals

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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 ________

Image defines angles find angle CBY

Image Defines Angles Find Angle CBY

Choices

Choice (4)Response

a.

43˚

b.

21˚

c.

23˚

d.

32˚

Question number: 114

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

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

Image defines the lines BC and DE

Image Defines the Lines BC and DE

Choices

Choice (4)Response

a.

140˚

b.

105˚

c.

135˚

d.

125˚

Question number: 115

» Lines, Angles and Quadrilaterals

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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.

8

c.

7

d.

9

Question number: 116

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

Two supplementary angles differ by 94˚. Then the angles are ________

Choices

Choice (4)Response

a.

120˚, 60˚

b.

142˚, 38˚

c.

137˚, 43˚

d.

67˚, 113˚

Question number: 117

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

In the figure below, lines PQ and JK intersect at O. if and , then are equal to ________

Image defines the lines PQ and JK intersect at O

Image Defines the Lines PQ and JK Intersect at O

Choices

Choice (4)Response

a.

56˚

b.

54˚

c.

58˚

d.

90˚

Question number: 118

» Statistics and Probability

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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?

Define the die is rolled 10,500 times

Define the Die is Rolled 10,500 Times

Choices

Choice (4)Response

a.

b.

c.

d.

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