Programming-for-Output-Problems
September 21, 2023ISRO CS 2014
September 26, 2023GATE 2023
Question 5
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Looking at the surface of a smooth 3-dimensional object from the outside, which one of the following options is TRUE?
The surface of the object must be concave everywhere.
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The surface of the object must be convex everywhere.
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The surface of the object may be concave in some places and convex in other places.
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The object can have edges, but no corners.
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Correct Answer: D
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