IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 152 - 157 of 929

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Question number: 152

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

The given figure, PQRS is a trapezium in which ∠P= (y + 15) ˚, ∠Q= (3y + 25) ˚, ∠R = 75˚ and ∠S = x˚ then the value of x and y are________

Image of a trapezium PQRS

Image of a Trapezium PQRS

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 153

» Lines, Angles and Quadrilaterals

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Question

The measurement of a window is , if 12 doors are to be fixed in that window in four rows, measurements of each door should be________

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 154

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

If two complementary angles are in the ratio 17: 13, then the angles are________

Choices

Choice (4)Response

a.

60˚, 30˚

b.

51˚, 39˚

c.

25˚, 65˚

d.

55˚, 35˚

Question number: 155

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

In the figure line a|| line b|| line c. their transversal line t1 and line t2, cut them at point X, Y, Z and J, K, L respectively. Point Y is the midpoint of segment XZ. If find and

Image defines the lines

Image Defines the Lines

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 156

» Surface Area and Volumes

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Question

If the perimeter of a rectangular garden plot is 80 metres, which of the following could be the length of one of its sides?

I. 30 metres

II. 40 metres

III. 50 metres

Choices

Choice (4)Response

a.

III only

b.

I and II

c.

II only

d.

I only

Question number: 157

» Lines, Angles and Quadrilaterals

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Question

The supplement of an angle is 50 more than six times its complement. Find the measure of the angle

Choices

Choice (4)Response

a.

38˚

b.

56˚

c.

65˚

d.

82˚

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