IMO- Mathematics Olympiad Class 9: Questions 119 - 122 of 919

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Question number: 119

» Statistics and Probability

MCQ▾

Question

A die is rolled 10, 500 times. The frequency of each outcome is shown in the table. What is the empirical probability of the outcomes of multiples of 3?

Define the die is rolled 10,500 times

Define the Die Is Rolled 10, 500 Times

Define the die is rolled 10, 500 times and find the probability of the outcomes of multiples of 3

Choices

Choice (4) Response

a.

11533459

b.

115310500

c.

11533500

d.

3459105000

Question number: 120

» Lines, Angles and Quadrilaterals

MCQ▾

Question

In the given figure, PQ RS and U=50˚ . Then ∠URS is________

 Image defines the PQ and RS is two lines parallel

Image Defines the PQ and RS Is Two Lines Parallel

Image defines PQ and RS is two lines parallels and find the value of ∠URS

Choices

Choice (4) Response

a.

140˚

b.

160˚

c.

190˚

d.

120˚

Question number: 121

» Lines, Angles and Quadrilaterals

MCQ▾

Question

If l, m, n are three parallel lines and the transversals t1 and t2 cut the lines l, m, n at the points A, B, C and P, Q, R as shown in the figure, then________.

Image shows the three parallel lines

Image Shows the Three Parallel Lines

Image defines the three parallel lines and two transversals t1 and t2 cut the lines

Choices

Choice (4) Response

a.

ABQR=BCPQ

b.

APBQ=BQCR

c.

ABBC=PQQR

d.

ABPQ=APBQ

Question number: 122

» Lines, Angles and Quadrilaterals

MCQ▾

Question

The angles of quadrilateral are in the ratio 4:2:6:8 . All angles of a quadrilaterals are________

Choices

Choice (4) Response

a.

72˚, 36˚, 108˚, 144˚

b.

36˚, 60˚, 20˚, 156˚

c.

145˚, 20˚, 30˚, 60˚

d.

108˚, 144˚, 45˚, 15˚

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