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The ratio of the total surface area of a sphere and a hemisphere of same radius is(a) 2 : 1(b) 3 : 2(c) 4 : 1(d) 4 : 3 |
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Answer» The ratio of the total surface area of a sphere and a hemisphere of same radius is (a) 2 : 1 (b) 3 : 2 (c) 4 : 1 (d) 4 : 3 |
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