IMO Level 1- Mathematics Olympiad (SOF) Class 6: Questions 420 - 421 of 1059

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Question number: 420

» Fractions

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Question

A boy divided a pineapple into 15 parts. His sister ate 4 out of them and his brother ate 5. What fraction of pineapple remained?

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Choice (4) Response

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Question number: 421

» Understanding Elementary Shapes

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In the figure, not drawn to scale, ABC is a right-angled triangle. Find

Arc c Arc c: Semicircle through L and M Arc d Arc d: Semicircle through N and O Arc e Arc e: Semicircle through P and Q Line f Line f: Line through A, B Line f Line f: Line through A, B Line g Line g: Line through B, C Line g Line g: Line through B, C Line h Line h: Line through B, D Line h Line h: Line through B, D Line i Line i: Line through B, E Line i Line i: Line through B, E Point A A = (5.88,5.44) Point A A = (5.88,5.44) Point A A = (5.88,5.44) Point B B = (5.86,2.04) Point B B = (5.86,2.04) Point B B = (5.86,2.04) Point C C = (9.74,2.06) Point C C = (9.74,2.06) Point C C = (9.74,2.06) Point D D = (9.26,3.92) Point D D = (9.26,3.92) Point D D = (9.26,3.92) Point E E = (3.92,5.18) Point E E = (3.92,5.18) Point E E = (3.92,5.18) ? text2 = “? “ 65? text3 = “65? “ 30? text1 = “30? “

Image of Three Lines Making a Right-Angled Triangle ABC

Showing an image of three lines making a right-angled triangle ABC

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