IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 207 - 213 of 931

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Question 207

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Question

MCQ▾

Two supplementary angles differ by 58˚. Then the angles are ________

Choices

Choice (4)Response
a.118˚, 62˚
b.119˚, 61˚
c.116˚, 64˚
d.117˚, 63˚

Question 208

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Question

MCQ▾

ABC is an equilateral triangle for side . P, Q and R are midpoints of AB, CA and BC respectively. The area of triangle PQR is (in) ________

ABC is an equilateral triangle for side given

ABC is an Equilateral Triangle for Side Given

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Choices

Choice (4)Response
a.
b.
c.
d.

Question 209

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Question

MCQ▾

Remainder when is divided by is________

Choices

Choice (4)Response
a.
b.
c.0
d.

Question 210

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Question

MCQ▾

In the figure, form a linear pair and . Then a, b respectively are________

Image defines lines POQ and find a and b

Image Defines Lines POQ and Find a and B

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Choices

Choice (4)Response
a.70˚, 110˚
b.70˚, 120˚
c.160˚, 70˚
d.130˚, 50˚

Question 211

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Question

MCQ▾

If two supplementary angles are in the ratio 2: 3, then the angles is ________

Choices

Choice (4)Response
a.140˚, 80˚
b.185˚, 50˚
c.72˚, 108˚
d.160˚, 36˚

Question 212

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Question

MCQ▾

The angles A, B, C, D, in the parallelogram ABCD are________

Image ABCD is parallelogram

Image ABCD is Parallelogram

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Choices

Choice (4)Response
a.90˚, 45˚, 30˚, 15˚
b.90˚, 45˚, 15˚, 20˚
c.90˚, 90˚, 90˚, 90˚
d.30˚, 60˚, 20˚, 40˚

Question 213

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Question

MCQ▾

In the given figure, and . Then ∠PSX is________

Image defines the WX and YZ is two lines parallel

Image Defines the WX and YZ is Two Lines Parallel

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Choices

Choice (4)Response
a.90˚
b.155˚
c.45˚
d.60˚