IMO- Mathematics Olympiad Class 9: Questions 147 - 152 of 919

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Question number: 147

» Lines, Angles and Quadrilaterals

MCQ▾

Question

How many sides does a regular polygon have, each angle of which is of measure 150˚?

Choices

Choice (4) Response

a.

16

b.

18

c.

12

d.

17

Question number: 148

» Number System

MCQ▾

Question

If the product of two surds is a rational number, then each one of them is called the ________ of the other________

Choices

Choice (4) Response

a.

Negative

b.

Rationalizing factor

c.

Conjugate surd

d.

Binomial surd

Question number: 149

» Lines, Angles and Quadrilaterals

MCQ▾

Question

If two complementary angles are in the ratio 4: 11, then the angles are________

Choices

Choice (4) Response

a.

56˚, 34˚

b.

61˚, 29˚

c.

24˚, 66˚

d.

30˚, 60˚

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 Equation , 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˚

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