IMO Level 2- Mathematics Olympiad (SOF) Class 9: Questions 42 - 45 of 48

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Question number: 42

» Everyday Mathematics

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Appeared in Year: 2013

MCQ▾

Question

A bonus of Rs. 1000 is to be divided among three people so that Rohit receives twice as much as Sachin, who receives one-fifth as much as Gagan. How much money should Gagan receive?

Choices

Choice (4) Response

a.

Rs. 100

b.

Rs. 375

c.

Rs. 625

d.

Rs. 250

Question number: 43

» Linear Equations in Two Variables

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Appeared in Year: 2013

MCQ▾

Question

If the polynomial be a perfect square, then the value of “m” is.

Choices

Choice (4) Response

a.

b.

24

c.

d.

Question number: 44

» Everyday Mathematics

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Appeared in Year: 2013

MCQ▾

Question

In a bullet the gunpowder is to be filled up inside the metallic enclosure. The metallic enclosure is made up of a cylindrical base and conical top with the base of radius 5 cm. The ratio of height of cylinder and cone is a cylindrical hole is drilled through the metal solid with height two- third the height of metal solid. What would be the radius of the hole, so that the volume of the hole (in which gun powder is to be filled up) is one-third the volume of metal solid after drilling?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 45

» Triangles and Circles

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Appeared in Year: 2013

MCQ▾

Question

In Δ∴ABC, It is given that D is the midpoint of BC, E is the midpoint of BD and O is the midpoint of AE. Then angle (Δ∴BOE) =?

Image of The Triangle

Image of the Triangle

Image of The Triangle

Choices

Choice (4) Response

a.

b.

c.

d.