IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 604 - 607 of 1022

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Question number: 604

» Triangle and Its Properties

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Question

In a and is half that of . Then is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 605

» Comparing Quantities

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Question

What percent of 1 year is 255 days (take year as normal year)?

Choices

Choice (4)Response

a.

85%

b.

65.5%

c.

70.2%

d.

69.9%

Question number: 606

» Triangle and Its Properties

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Question

Height and base of an isosceles triangle measures 12 cm and 18 cm. Its area is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 607

» Triangle and Its Properties

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MCQ▾

Question

In the figure (not drawn to scale), ABCD is a rhombus, FHI is an equilateral triangle and CEFG is a trapezium with EC parallel to FG, DCFI, BCG and GFH are straight lines. Find x and y respectively.

Quadrilateral poly1Quadrilateral poly1: Polygon A, B, C, DTriangle poly2Triangle poly2: Polygon C, E, FTriangle poly3Triangle poly3: Polygon C, G, FTriangle poly4Triangle poly4: Polygon F, H, IArc kArc k: Semicircle through J and KArc pArc p: Semicircle through L and MArc qArc q: Semicircle through N and OSegment aSegment a: Segment [A, B] of Quadrilateral poly1Segment bSegment b: Segment [B, C] of Quadrilateral poly1Segment cSegment c: Segment [C, D] of Quadrilateral poly1Segment dSegment d: Segment [D, A] of Quadrilateral poly1Segment fSegment f: Segment [C, E] of Triangle poly2Segment c_1Segment c_1: Segment [E, F] of Triangle poly2Segment eSegment e: Segment [F, C] of Triangle poly2Segment f_1Segment f_1: Segment [C, G] of Triangle poly3Segment c_2Segment c_2: Segment [G, F] of Triangle poly3Segment gSegment g: Segment [F, C] of Triangle poly3Segment iSegment i: Segment [F, H] of Triangle poly4Segment f_2Segment f_2: Segment [H, I] of Triangle poly4Segment hSegment h: Segment [I, F] of Triangle poly4Vector uVector u: Vector [P, Q] Vector uVector u: Vector [P, Q] Vector u_1Vector u_1: Vector [P_1, Q_1] Vector u_1Vector u_1: Vector [P_1, Q_1] Point AA = (1.48,2.08) Point AA = (1.48,2.08) Point AA = (1.48,2.08) Point BB = (5.12,2.04) Point BB = (5.12,2.04) Point BB = (5.12,2.04) Point CC = (5.9,4.66) Point CC = (5.9,4.66) Point CC = (5.9,4.66) Point DD = (2.44,4.7) Point DD = (2.44,4.7) Point DD = (2.44,4.7) Point EE = (8.24,2) Point EE = (8.24,2) Point EE = (8.24,2) Point FF = (8.28,4.64) Point FF = (8.28,4.64) Point FF = (8.28,4.64) Point GG = (6.48,6.64) Point GG = (6.48,6.64) Point GG = (6.48,6.64) Point HH = (9.88,2.64) Point HH = (9.88,2.64) Point HH = (9.88,2.64) Point II = (11,4.64) Point II = (11,4.64) Point II = (11,4.64) xtext1 = “x”ytext1_1 = “y”80â°text1_2 = “80â°”

Image of a Rhombus, Triangle and Trapezium with Straight Lines

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Choice (4)Response

a.

b.

c.

d.

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