IMO Level 2- Mathematics Olympiad (SOF) Class 9: Questions 1 - 4 of 48

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Question number: 1

» Analytical Reasoning and Logical Reasoning

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Appeared in Year: 2013

MCQ▾

Question

Choose the correct mirror-image of the Fig. (X).

Image shows The Mirror-image

Image Shows the Mirror-Image

Image shows The Mirror-image

Choices

Choice (4) Response

a.

Image shows The Mirror-image For Choice A

Image Shows the Mirror-Image for Choice A

Image shows The Mirror-image For Choice A

b.

Image shows The Mirror-image For Choice B

Image Shows the Mirror-Image for Choice B

Image shows The Mirror-image For Choice B

c.

Image shows The Mirror-image For Choice C

Image Shows the Mirror-Image for Choice C

Image shows The Mirror-image For Choice C

d.

Image shows The Mirror-image For Choice D

Image Shows the Mirror-Image for Choice D

Image shows The Mirror-image For Choice D

Question number: 2

» Linear Equations in Two Variables

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Appeared in Year: 2013

MCQ▾

Question

When 5 is added to the numerator and denominator both of a (positive) fraction, then the new ratio of numerator to denominator becomes . What is the original ratio?

Choices

Choice (4) Response

a.

b.

c.

Data inadequate

d.

Question number: 3

» Everyday Mathematics

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Appeared in Year: 2013

MCQ▾

Question

A rationalizing factor of is ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 4

» Everyday Mathematics

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Appeared in Year: 2013

MCQ▾

Question

Sixteen years ago, Tanya’s grandfather was 8 times older to her. He would be 3 times of her age 8 years from now. eight years ago, what was the ratio of Tanya’s age to that of her grandfather?

Choices

Choice (4) Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague