IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 107 - 113 of 931

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Question 107

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Question

MCQ▾

In the figure the bisectors of ∠PQR and ∠PRQ intersect each other at O, then ∠QOR is ________

Image defines the 2 bisectors intersect each other

Image Defines the 2 Bisectors Intersect Each Other

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Choices

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

Question 108

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Question

MCQ▾

The expression equals to ________

Choices

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

Question 109

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Question

MCQ▾

The given figure ABCD is a parallelogram then the values of and are________

Image is parallelogram ABCD

Image is Parallelogram ABCD

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Choices

Choice (4)Response
a.70˚, 25˚
b.35˚, 60˚
c.25˚, 70˚
d.55˚, 40˚

Question 110

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Question

MCQ▾

The measure of an angle is eight times the measure of its supplementary angle. Then the angles are________

Choices

Choice (4)Response
a.65˚, 45˚
b.20˚, 160˚
c.63˚, 157˚
d.140˚, 60˚

Question 111

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Question

MCQ▾

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

Image defines the lines WX and YZ intersect at O

Image Defines the Lines WX and YZ Intersect at O

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Choices

Choice (4)Response
a.154˚
b.158˚
c.150˚
d.190˚

Question 112

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Question

MCQ▾

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

Loading image

Choices

Choice (4)Response
a.35˚, 55˚
b.90˚, 30˚
c.45˚, 35˚
d.65˚, 25˚

Question 113

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Question

MCQ▾

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

Loading image

Choices

Choice (4)Response
a.43˚
b.21˚
c.23˚
d.32˚