IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 572 - 573 of 1022

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Question number: 572

» Comparing Quantities

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MCQ▾

Question

What percent of 1 day is 3600 seconds?

Choices

Choice (4)Response

a.

5.16%

b.

4.17%

c.

4.15%

d.

14%

Question number: 573

» Practical Geometry - Lines and Angles

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MCQ▾

Question

In the figure (not drawn to scale), DAE, CBH and ACG are straight lines, and . Find x and y respectively.

Arc cArc c: Semicircle through I and JArc dArc d: Semicircle through K and LArc eArc e: Semicircle through M and NSegment fSegment f: Segment [A, B] Segment gSegment g: Segment [B, C] Segment hSegment h: Segment [A, D] Segment iSegment i: Segment [A, E] Segment jSegment j: Segment [F, G] Segment kSegment k: Segment [A, G] Segment lSegment l: Segment [B, H] Vector uVector u: Vector [O, P] Vector uVector u: Vector [O, P] Vector u_1Vector u_1: Vector [O_1, P_1] Vector u_1Vector u_1: Vector [O_1, P_1] Point AA = (4.86,0.52) Point AA = (4.86,0.52) Point AA = (4.86,0.52) Point BB = (7.17,2.46) Point BB = (7.17,2.46) Point BB = (7.17,2.46) Point CC = (5.46,2.48) Point CC = (5.46,2.48) Point CC = (5.46,2.48) Point DD = (3.04,0.52) Point DD = (3.04,0.52) Point DD = (3.04,0.52) Point EE = (8.6,0.52) Point EE = (8.6,0.52) Point EE = (8.6,0.52) Point FF = (2.84,3.88) Point FF = (2.84,3.88) Point FF = (2.84,3.88) Point GG = (5.91,3.9) Point GG = (5.91,3.9) Point GG = (5.91,3.9) Point HH = (9.48,2.46) Point HH = (9.48,2.46) Point HH = (9.48,2.46) xtext1 = “x”ytext1_1 = “y”85â°text1_2 = “85â°”

Image Made by Some Lines Making Unknown Angles

Choices

Choice (4)Response

a.

b.

c.

d.

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