IMO Mathematics Olympiad (SOF) Class 9: Questions 389  393 of 919
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Question number: 389
Question
Two cubes each of volume are joining end to end. Find the surface area of the resulting cuboid.
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Question number: 390
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Two cylinders of same volume have their heights in the ratio 1: 3. Find the ratio of their radii?
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Question number: 391
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If the point (3,4) lies on the graph of the equation, find the value of a.
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Question number: 392
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In the figure , and . If the exterior angle CAX is, then the angle KHC is ________
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Question number: 393
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In, and the bisector of meets BC at P. then the ascending order of sides is ________
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