IMO- Mathematics Olympiad Class 9: Questions 108 - 112 of 919

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Question number: 108

» Lines, Angles and Quadrilaterals

MCQ▾

Question

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

Image defines the ∠PQR and ∠PRQ is 2 bisectors its intersect each other O then find ∠QOR

Choices

Choice (4) Response
a.

90˚14P

b.

180˚+12P

c.

180˚14P

d.

90˚+12P

Question number: 109

» Polynomials

MCQ▾

Question

The expression (a+b+c)2+(a+bc)2+(ab+c)2+(b+ca)2 equals to ________

Choices

Choice (4) Response
a.

4(a2+b2+c2)

b.

(a2+b2+c2)

c.

4(ab+ac+bc)

d.

2(a2+b2+c2+ab+bc+ac)

Question number: 110

» Lines, Angles and Quadrilaterals

MCQ▾

Question

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

 Image is parallelogram ABCD

Image Is Parallelogram ABCD

Image is parallelogram and it’s define the angle values

Choices

Choice (4) Response
a.

35˚, 60˚

b.

55˚, 40˚

c.

70˚, 25˚

d.

25˚, 70˚

Question number: 111

» Lines, Angles and Quadrilaterals

MCQ▾

Question

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.

63˚, 157˚

c.

140˚, 60˚

d.

20˚, 160˚

Question number: 112

» Lines, Angles and Quadrilaterals

MCQ▾

Question

In the figure below, lines WX and YZ intersect at O. if POX=90˚ and a:b=4:2 , then WOZ are equal to ________

 Image defines the lines WX and YZ intersect at O

Image Defines the Lines WX and YZ Intersect at O

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

Choices

Choice (4) Response
a.

150˚

b.

154˚

c.

190˚

d.

158˚

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