IMO Level 1- Mathematics Olympiad (SOF) Class 6: Questions 477 - 479 of 1059

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Question number: 477

» Decimals

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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 A Sector 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

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MCQ▾

Question

Angle inscribed in a minor segment is

Choices

Choice (4) Response

a.

Obtuse

b.

Straight

c.

Acute

d.

Right

Question number: 479

» Understanding Elementary Shapes

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MCQ▾

Question

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

Arc c Arc c: Semicircle through D and E Arc d Arc d: Semicircle through F and G Line f Line f: Line through O, A Line g Line g: Line through O, B Line g Line g: Line through O, B Ray h Ray h: Ray through O, C Ray i Ray i: Ray through O, B Segment 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.

15,440, 460

b.

12,450, 450

c.

11,590, 310

d.

11,610, 290