IMO- Mathematics Olympiad Class 6: Questions 340 - 341 of 1049

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Question number: 340

» Understanding Elementary Shapes

MCQ▾

Question

Find the value of y in the figure, where AB and CD intersect at O.

Arc c Arc c: Semicircle through E and FArc d Arc d: Semicircle through G and HLine f Line f: Line through A, BLine f Line f: Line through A, BLine g Line g: Line through C, DLine g Line g: Line through C, DPoint A A = (2.3, 5.16) Point A A = (2.3, 5.16) Point A A = (2.3, 5.16) Point B B = (7.94, 1.32) Point B B = (7.94, 1.32) Point B B = (7.94, 1.32) Point C C = (1.64, 1.18) Point C C = (1.64, 1.18) Point C C = (1.64, 1.18) Point D D = (8.2, 5.18) Point D D = (8.2, 5.18) Point D D = (8.2, 5.18) Point M Point M: Intersection point of f, gPoint M Point M: Intersection point of f, gPoint M Point M: Intersection point of f, g (4y 50)? text1 = ” (4y 50)? “ (2y 60)? text2 = ” (2y 60)? “

Image of Two Intersecting Lines at Point M

Find the value of ‘y’ when two lines are intersecting at point M

Choices

Choice (4) Response

a.

7

b.

11

c.

12

d.

5

Question number: 341

» Understanding Elementary Shapes

MCQ▾

Question

In the figure, not drawn to scale, ABD is a straight line and ABC=DBF. Find ABF.

Arc c Arc c: Semicircle through G and HLine 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, EPoint 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) 33? text1 = “33? “

Image Made by Some Different Lines

Showing an image made by different line so find the angle ABF

Choices

Choice (4) Response

a.

900

b.

330

c.

700

d.

660

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