IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 568 - 569 of 1022

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Question number: 568

» Comparing Quantities

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MCQ▾

Question

A school has 560 students. The number of girls is of the number of boys. How many girls are there in the school?

Choices

Choice (4)Response

a.

70

b.

49

c.

100

d.

80

Question number: 569

» Triangle and Its Properties

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MCQ▾

Question

In the figure (not drawn to scale), ABC is an equilateral triangle and ABD is an isosceles triangle with DA = DB, find x.

Triangle poly1Triangle poly1: Polygon C, A, BArc dArc d: Semicircle through E and FArc eArc e: Semicircle through J and KSegment cSegment c: Segment [C, A] of Triangle poly1Segment aSegment a: Segment [A, B] of Triangle poly1Segment bSegment b: Segment [B, C] of Triangle poly1Segment fSegment f: Segment [A_1, C_1] Segment gSegment g: Segment [D_1, G] Segment hSegment h: Segment [H, I] Segment iSegment i: Segment [A, D] Segment jSegment j: Segment [D, B] Segment g_1Segment g_1: Segment [D_2, G_1] Segment g_2Segment g_2: Segment [D_3, G_2] Segment f_1Segment f_1: Segment [A_2, C_2] Segment f_2Segment f_2: Segment [A_3, C_3] Point CC = (3.08,4.82) Point CC = (3.08,4.82) Point CC = (3.08,4.82) Point AA = (1.12,1.58) Point AA = (1.12,1.58) Point AA = (1.12,1.58) Point BB = (5.24,1.58) Point BB = (5.24,1.58) Point BB = (5.24,1.58) Point DD = (3.14,3.36) Point DD = (3.14,3.36) Point DD = (3.14,3.36) 88â°text1 = “88â°”xtext1_1 = “x”

Image of a Triangle ABC Having Another Triangle ABD in It

Choices

Choice (4)Response

a.

b.

c.

d.

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