IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 198 - 203 of 929

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Question number: 198

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

In the given figure, AB is a mirror, PQ is the incident ray and QR is the reflected ray. If ∠PQR = 136˚, then ∠PQA is ________

Image defines angles ∠PQR

Image Defines Angles ∠PQR

Image defines the angles and find the one angle

Choices

Choice (4)Response

a.

24˚

b.

21˚

c.

26˚

d.

22˚

Question number: 199

» Polynomials

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MCQ▾

Question

If , then which of the following expressions holds?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 200

» Triangles and Circles

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MCQ▾

Question

If one leg of an isosceles right-angles triangle is increased by 6 cm and the other leg is increased by 4 cm, then change in area of the triangle is 24 sq. cm. find the length of the leg of the original triangle.

Choices

Choice (4)Response

a.

b.

c.

d.

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

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

Image defines the angles values and find the value of ∠QRS

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

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

Choices

Choice (4)Response

a.

∠BOE

b.

∠FOE

c.

∠AOE

d.

∠FOA

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