IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 197 - 203 of 931

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Question 197

Question

MCQ▾

In the given figure, three equilateral triangles have a common vertex then

Image Define the Three Equilateral Triangles

Choices

Choice (4)Response

a.

b.

c.

d.

Question 198

Question

MCQ▾

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

Choices

Choice (4)Response

a.

24˚

b.

21˚

c.

26˚

d.

22˚

Question 199

Question

MCQ▾

If , then which of the following expressions holds?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 200

Question

MCQ▾

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 201

Question

MCQ▾

In the given figure, the value of y is ________

Image Defines the Different Angles and Find the Value of Y

Choices

Choice (4)Response

a.

10

b.

20

c.

24

d.

22

Question 202

Question

MCQ▾

In the given figure, , and , find

Image Shows Lines and Angles Value

Choices

Choice (4)Response

a.

55˚

b.

50˚

c.

45˚

d.

60˚

Question 203

Question

MCQ▾

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

Choices

Choice (4)Response

a.

∠ BOE

b.

∠ FOE

c.

∠ AOE

d.

∠ FOA