IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 145 - 151 of 929

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Question number: 145

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

In the figure , find ________

In the figure angle PRQ is given

In the Figure Angle PRQ is Given

Choices

Choice (4)Response

a.

120˚

b.

105˚

c.

100˚

d.

115˚

Question number: 146

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

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

Choices

Choice (4)Response

a.

17

b.

18

c.

16

d.

12

Question number: 147

» Number System

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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.

Rationalizing factor

b.

Binomial surd

c.

Conjugate surd

d.

Negative

Question number: 148

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

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

Choices

Choice (4)Response

a.

30˚, 60˚

b.

61˚, 29˚

c.

24˚, 66˚

d.

56˚, 34˚

Question number: 149

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

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

Image of parallelogram ABCD

Image of Parallelogram ABCD

Choices

Choice (4)Response

a.

60˚

b.

45˚

c.

90˚

d.

30˚

Question number: 150

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

The value of x in the given figure is ________

Here in figure define the angles

Here in Figure Define the Angles

Choices

Choice (4)Response

a.

20˚

b.

118˚

c.

223˚

d.

72˚

Question number: 151

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

In the figure, if , 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

Choices

Choice (4)Response

a.

30˚

b.

60˚

c.

29˚

d.

45˚

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