IMO- Mathematics Olympiad Class 9: Questions 113 - 118 of 919

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Question number: 113

» Lines, Angles and Quadrilaterals

MCQ▾

Question

If ABAC , AB CD CBD=40˚ and BDE=75˚ , 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

Image AB and CD parallel line and find x and y

Choices

Choice (4) Response

a.

65˚, 25˚

b.

90˚, 30˚

c.

35˚, 55˚

d.

45˚, 35˚

Question number: 114

» Lines, Angles and Quadrilaterals

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

Image defines the angles and find the one angle

Choices

Choice (4) Response

a.

32˚

b.

23˚

c.

43˚

d.

21˚

Question number: 115

» Lines, Angles and Quadrilaterals

MCQ▾

Question

In the given figure AB CD and BC DE , then value of x is________.

Image defines the lines BC and DE

Image Defines the Lines BC and DE

Image defines the lines and angle and find the value of x

Choices

Choice (4) Response

a.

140˚

b.

125˚

c.

135˚

d.

105˚

Question number: 116

» Lines, Angles and Quadrilaterals

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

» Lines, Angles and Quadrilaterals

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

» Lines, Angles and Quadrilaterals

MCQ▾

Question

In the figure below, lines PQ and JK intersect at O. if AOQ=90˚ and X:Y=4:6 , then QOK are equal to ________

Image defines the lines PQ and JK intersect at O

Image Defines the Lines PQ and JK Intersect at O

Image defines the two lines intersect and find the value of ∠QOK

Choices

Choice (4) Response

a.

90˚

b.

54˚

c.

58˚

d.

56˚

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