Chapter 7: Mensuration - Online Test

Q1. A shuttle cock used for playing badminton has the shape of the combination of
Answer : Option D
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Q2. A spherical ball of radius r1 units is melted to make 8 new identical balls each of radius r2 units. Then r1 : r2 is
Answer : Option A
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Q3. The volume (in cm3) of the greatest sphere that can be cut off from a cylindrical log of wood of base radius 1 cm and height 5 cm is
Answer : Option A
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Q4. The height and radius of the cone of which the frustum is a part are h1 units and r1 units respectively. Height of the frustum is h2 units and radius of the smaller base is r2  units. If h2  : h1  = 1 : 2 then r2  : r1  is
Answer : Option B
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Q5. The ratio of the volumes of a cylinder, a cone and a sphere, if each has the same diameter and same height is
Answer : Option D
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