IMO- Mathematics Olympiad (SOF) Class 6: Questions 477 - 479 of 1049

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Question number: 477

» Decimals

MCQ▾

Question

What is the decimal fraction shown by the shaded part of the figure given below?

Circle c Circle c: Circle through B with center ASector d Sector d: CircularSector [A, C, D] Sector d Sector d: CircularSector [A, C, D] Sector e Sector e: CircularSector [A, D, E] Sector e Sector e: CircularSector [A, D, E] Sector f Sector f: CircularSector [A, E, F] Sector f Sector f: CircularSector [A, E, F] Sector g Sector g: CircularSector [A, F, G] Sector g Sector g: CircularSector [A, F, G] Sector h Sector h: CircularSector [A, G, H] Sector h Sector h: CircularSector [A, G, H] Sector k Sector k: CircularSector [A, H, I] Sector k Sector k: CircularSector [A, H, I] Sector p Sector p: CircularSector [A, I, C] Sector p Sector p: CircularSector [A, I, C]

Image of a Circle Divided With Some Parts

Find the decimal fraction of the given question figure having some shaded parts

Choices

Choice (4) Response

a.

0.57

b.

1.5

c.

0.2

d.

0.75

Question number: 478

» Basic Geometrical Ideas

MCQ▾

Question

Angle inscribed in a minor segment is

Choices

Choice (4) Response

a.

Obtuse

b.

Right

c.

Straight

d.

Acute

Question number: 479

» Understanding Elementary Shapes

MCQ▾

Question

Find the value of x and hence, in the figure given where

Arc c Arc c: Semicircle through D and EArc d Arc d: Semicircle through F and GLine f Line f: Line through O, ALine g Line g: Line through O, BLine g Line g: Line through O, BRay h Ray h: Ray through O, CRay i Ray i: Ray through O, BSegment j Segment j: Segment [H, I] Segment k Segment k: Segment [I, J] Point O O = (9, 2) Point O O = (9, 2) Point O O = (9, 2) Point A A = (9, 5.48) Point A A = (9, 5.48) Point A A = (9, 5.48) Point B B = (5, 2) Point B B = (5, 2) Point B B = (5, 2) Point C C = (4.18, 3.84) Point C C = (4.18, 3.84) Point C C = (4.18, 3.84) (3x-4)? text1 = ” (3x-4)? “ (5x 6)? text1_1 = ” (5x 6)? “

a Geometric Figure Made by Lines Making Two Angles

Showing a geometric figure made by lines making two angles

Choices

Choice (4) Response

a.

12, 450, 450

b.

11, 590, 310

c.

11, 610, 290

d.

15, 440, 460

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