IMO- Mathematics Olympiad Class 6: Questions 342 - 344 of 1049

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Question number: 342

» Basic Geometrical Ideas

MCQ▾

Question

The basic elements of a triangle are

Choices

Choice (4) Response

a.

3 sides

b.

3 vertices

c.

3 angles

d.

All a. , b. and c. are correct

Question number: 343

» Understanding Elementary Shapes

MCQ▾

Question

In the figure, not drawn to scale, ABD, CBF and EBI are straight lines and DBI is right-angle. Find EBF.

Arc c Arc c: Semicircle through G and HArc d Arc d: Semicircle through J and KLine f Line f: Line through A, DLine f Line f: Line through A, DLine g Line g: Line through F, CRay h Ray h: Ray through B, ERay i Ray i: Ray through B, IPoint A A = (2.1, 3.7) Point A A = (2.1, 3.7) Point A A = (2.1, 3.7) Point D D = (7.86, 2.3) Point D D = (7.86, 2.3) Point D D = (7.86, 2.3) Point F F = (3.86, 5.2) Point F F = (3.86, 5.2) Point F F = (3.86, 5.2) Point C C = (6.12, 0.7) Point C C = (6.12, 0.7) Point C C = (6.12, 0.7) Point B Point B: Intersection point of f, gPoint B Point B: Intersection point of f, gPoint B Point B: Intersection point of f, gPoint E E = (6.1, 5.68) Point E E = (6.1, 5.68) Point E E = (6.1, 5.68) Point I I = (3.82, 0.44) Point I I = (3.82, 0.44) Point I I = (3.82, 0.44) 53? text1 = “53? “

Image Made by Some Straight Lines

Showing an image made by some straight line so find the angle EBF

Choices

Choice (4) Response

a.

420

b.

570

c.

370

d.

640

Question number: 344

» Decimals

MCQ▾

Question

Denish earns Rs. 28.75 each hour in a game. If he plays for 5 hours then the amount he earns is

Choices

Choice (4) Response

a.

Rs. 143.75

b.

Rs. 145.00

c.

Rs. 143.45

d.

Rs. 142.30

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