IMO- Mathematics Olympiad Class 9: Questions 252 - 257 of 919
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Question number: 252
Question
The area of an isosceles triangle having base 32 cm and one side 20 cm is________
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Question number: 253
Question
A circular park of 20 metre diameter has a circular path just inside the boundary of width 1 metre. The area of path is ________
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Question number: 254
Question
What is the point of concurrency of the perpendicular bisectors in a triangle called ________.
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| Choice (4) | Response | |
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| a. | Circumcentre |
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| b. | Centroid |
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| c. | Incentre |
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| d. | Orthocentre |
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Question number: 255
Question
A covered wooden box has the inner measures as 115 cm, 75 cm, 35 cm and the thickness of wood is 2.5 cm. Then the volume of the wood is________
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| Choice (4) | Response | |
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| a. | 80, 000 cu. Cm |
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| b. | 82, 125 cu. Cm |
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| c. | 85, 000 cu. Cm |
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| d. | 84, 000 cu. Cm |
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Question number: 256
» Lines, Angles and Quadrilaterals
Question
A triangle and a parallelogram are equal in area. They also have the same altitude. If the base of the triangle is 22 inches, the area of the trapezoid is ________.
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| Choice (4) | Response | |
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| a. | 2 inches |
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| b. | Not obtainable from these data |
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| c. | 19 inches |
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| d. | 11 inches |
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Question number: 257
» Lines, Angles and Quadrilaterals
Question
In the figure, PQRS is a square. A line segment SX cuts the side QR at X and the diagonal PR at O such that, then y = ________
Given in Image PQRS Is a Square
Given in image PQRS is a square. A line segment SX cuts the side QR at X and the diagonal PR at O find the value of y
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