IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 201 - 206 of 929

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Question number: 201

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

In the given figure, the value of y is ________

Image defines the different angles and find the value of y

Image Defines the Different Angles and Find the Value of Y

Choices

Choice (4)Response

a.

10

b.

20

c.

24

d.

22

Question number: 202

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

In the given figure, , and , find

Image shows lines and angles value

Image Shows Lines and Angles Value

Choices

Choice (4)Response

a.

55˚

b.

50˚

c.

45˚

d.

60˚

Question number: 203

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

Ray OE bisects ∠AOB and OF is the ray opposite OE, then ∠FOB = ________

Image defines Ray OE bisects ∠AOB and OF is the ray opposite OE

Image Defines Ray OE Bisects ∠AOB and of is the Ray Opposite OE

Choices

Choice (4)Response

a.

∠BOE

b.

∠FOE

c.

∠AOE

d.

∠FOA

Question number: 204

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

In the figure, p is greater than q by one third of a right angle. Find the values of p and q.

Image defines the two angles

Image Defines the Two Angles

Choices

Choice (4)Response

a.

p = 75˚ and q = 105˚

b.

p = 105˚ and q = 75˚

c.

p = 115˚ and q = 65˚

d.

p = 65˚ and q = 115˚

Question number: 205

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

If two supplementary angles are in the ratio 13: 5, then the angles is ________

Choices

Choice (4)Response

a.

125˚, 55˚

b.

145˚, 35˚

c.

130˚, 50˚

d.

120˚, 60˚

Question number: 206

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

In the given figure, ∠COD is a right angle. ∠AOC and ∠BOD are in the ratio of 3: 2, thus ∠BOD measures________

Image defines the different angle, find BOD

Image Defines the Different Angle, Find BOD

Choices

Choice (4)Response

a.

50˚

b.

40˚

c.

36˚

d.

54˚

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