IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 166 - 171 of 931

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Question 166

Question

MCQ▾

Find the value of

Choices

Choice (4)Response

a.

b.

c.

d.

Question 167

Question

MCQ▾

If a straight line meets two other straight lines so as to make the sum of the two interior angles on one side of the transversal less than two right angles, then the other straight lines extended infinitely, will meet ________ the transversal

Choices

Choice (4)Response

a.

Can ′ t be determined

b.

On that side of

c.

On another side of

d.

On

Question 168

Question

MCQ▾

The measure of an angle is twice times the measure of its supplementary angle. Then the angles are________

Choices

Choice (4)Response

a.

18˚, 72˚

b.

50˚, 200˚

c.

120˚, 60˚

d.

40˚, 160˚

Question 169

Question

MCQ▾

In figure, lines a and b intersect at O. if , the value of y, z and u respectively is ________

Image Defines the Lines a and B Intersect at O

Choices

Choice (4)Response

a.

b.

c.

d.

Question 170

Question

MCQ▾

In a parallelogram PQRS, , then the measurement of ∠ S is ________

Choices

Choice (4)Response

a.

65˚

b.

100˚

c.

75˚

d.

95˚

Question 171

Question

MCQ▾

The angles of quadrilateral are in the ratio . All angles of a quadrilaterals are________

Choices

Choice (4)Response

a.

30˚, 90˚, 60˚, 20˚

b.

30˚, 60˚, 45˚, 15˚

c.

45˚, 20˚, 30˚, 60˚

d.

36˚, 60˚, 108˚, 156˚