IMO- Mathematics Olympiad Class 9: Questions 150 - 154 of 919

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Question number: 150

» Lines, Angles and Quadrilaterals

MCQ▾

Question

In a parallelogram, the sum of the angle bisectors of two adjacent angles is ________

 Image of parallelogram ABCD

Image of Parallelogram ABCD

Image defines the ABCD is a parallelogram and AO and BO are bisectors find the sum of the angle bisectors of two adjacent angles

Choices

Choice (4) Response
a.

45˚

b.

60˚

c.

90˚

d.

30˚

Question number: 151

» Lines, Angles and Quadrilaterals

MCQ▾

Question

The value of x in the given figure is ________

Here in figure define the angles

Here in Figure Define the Angles

Image defines the different angle and find the value of x

Choices

Choice (4) Response
a.

118˚

b.

20˚

c.

72˚

d.

223˚

Question number: 152

» Lines, Angles and Quadrilaterals

MCQ▾

Question

In the figure, if PQ ST , then x = ________

Image shows the PQ and ST are parallel lines and define angles

Image Shows the PQ and ST Are Parallel Lines and Define Angles

Image defines the PQ and ST are parallel lines and define angles, then find value of x

Choices

Choice (4) Response
a.

45˚

b.

60˚

c.

29˚

d.

30˚

Question number: 153

» Lines, Angles and Quadrilaterals

MCQ▾

Question

The given figure, PQRS is a trapezium in which ∠P= (y + 15) ˚, ∠Q= (3y + 25) ˚, ∠R = 75˚ and ∠S = x˚ then the value of x and y are________

Image of a trapezium PQRS

Image of a Trapezium PQRS

Image definess the trapezium and find the value of x and y

Choices

Choice (4) Response
a.

x=145˚,y=55˚

b.

x=105˚,y=35˚

c.

x=106˚,y=60˚

d.

x=150˚,y=35˚

Question number: 154

» Lines, Angles and Quadrilaterals

MCQ▾

Question

The measurement of a window is 6.9m×9.2m , if 12 doors are to be fixed in that window in four rows, measurements of each door should be________

Choices

Choice (4) Response
a.

230cm×230cm

b.

160cm×160cm

c.

180cm×190cm

d.

124cm×118cm

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