IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 637 - 641 of 1022

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Question number: 637

» Practical Geometry - Lines and Angles

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MCQ▾

Question

The complement of an acute angle is ________angle.

Choices

Choice (4)Response

a.

A straight

b.

Acute

c.

Right

d.

Obtuse

Question number: 638

» Comparing Quantities

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MCQ▾

Question

In a jungle, total animals are 240. The number of elephants is of the number of other animals. How many elephants are there in the jungle?

Choices

Choice (4)Response

a.

40

b.

100

c.

60

d.

50

Question number: 639

» Comparing Quantities

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MCQ▾

Question

Two buses start at the same point on a straight highway facing opposite directions. Each bus drives 5 miles take a left turn and drives 12 miles. How far apart are the two buses?

Choices

Choice (4)Response

a.

26 miles

b.

30 miles

c.

24 miles

d.

21 miles

Question number: 640

» Triangle and Its Properties

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MCQ▾

Question

The three angles of a triangle are in the ratio 2: 4: 2, then the greatest angle is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 641

» Practical Geometry - Lines and Angles

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MCQ▾

Question

In the figure (not drawn to scale), ABCD is rhombus and BD is diagonal. Find .

Arc cArc c: Semicircle through F and GArc dArc d: Semicircle through E and ISegment fSegment f: Segment [A, B] Segment gSegment g: Segment [B, C] Segment hSegment h: Segment [C, D] Segment iSegment i: Segment [D, A] Segment kSegment k: Segment [D, B] Point AA = (3.91,1.61) Point AA = (3.91,1.61) Point AA = (3.91,1.61) Point BB = (6,1.61) Point BB = (6,1.61) Point BB = (6,1.61) Point CC = (5.46,3.26) Point CC = (5.46,3.26) Point CC = (5.46,3.26) Point DD = (3.42,3.26) Point DD = (3.42,3.26) Point DD = (3.42,3.26) 35â°text1 = “35â°”

Image Made by a Rhombus and Diagonal BD

Choices

Choice (4)Response

a.

b.

c.

d.

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