IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 114 - 119 of 931

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Question 114

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Question

MCQ▾

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

Image defines the lines BC and DE

Image Defines the Lines BC and DE

Loading image

Choices

Choice (4)Response
a.140˚
b.105˚
c.135˚
d.125˚

Question 115

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Question

MCQ▾

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 116

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Question

MCQ▾

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 117

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Question

MCQ▾

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

Loading image

Choices

Choice (4)Response
a.56˚
b.54˚
c.58˚
d.90˚

Question 118

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Question

MCQ▾

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

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Choices

Choice (4)Response
a.
b.
c.
d.

Question 119

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Question

MCQ▾

In the given figure, and . Then ∠URS is________

Image defines the PQ and RS is two lines parallel

Image Defines the PQ and RS is Two Lines Parallel

Loading image

Choices

Choice (4)Response
a.140˚
b.120˚
c.160˚
d.190˚