Mensuration (IMO- Mathematics Olympiad Class 8): Questions 53 - 57 of 61
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Question number: 53
» Mensuration
Question
In the given figure PQRS is a square inscribed in a circle with center O and radius r. The total area of shaded region is________.
PQRS Square Is Inscribed in a Circle With Center O Andradius R
Find out total area of a shaded region of inscribing square in a circle
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Question number: 54
» Mensuration
Question
The dimensions of an open box are 60 cm, 50 cm and 33 cm. Its thickness is 3 cm. If 1 cubic cm of metal used in the box weights 0.5 gm, find the weight of the box.
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| Choice (4) | Response | |
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| a. | 13.860 kg |
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| b. | 14.56 kg |
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| c. | 12.11 kg |
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| d. | 13 kg |
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Question number: 55
» Mensuration
Question
The volume of a cube is 343, its surface area is________.
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Question number: 56
» Mensuration
Question
A cylinder whose cross section is an ellipse is called ________ cylinder.
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| Choice (4) | Response | |
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| a. | Elliptic |
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| b. | Parabolic |
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| c. | Hyperbolic |
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| d. | All of the above |
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Question number: 57
» Mensuration
Question
If a wire is bent into the shape of a square, then the area of the square is 64 sq. cm. When the wire is bent into a semicircular shape, then the area of the semi-circle will be________.
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