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If the areas of three adjacent faces of a cuboid are x, y, z respectively, then the volume of the cuboid is

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Important Questions on Mensuration

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IfS be surface area and V be the volume of a cuboid of dimensions a, b and c, then 1V is equal to
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If the areas of three adjacent faces of a rectangular block are in the ratio of 2 : 3 : 4 and its volume is 9000 cu. cm; then the length of the shortest side is :
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The percentage increase in the surface area of a cube when each side is doubled, is
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The curved surface area of a right circular cylinder of base radius r is obtained by multiplying its volume by :
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Two circular cylinders of equal volume have their heights in the ratio 2: 1. The ratio of their radii is
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The radius of a sphere is r and the radius of the base as well the height of the cylinder is r , the ratio of their volume is _____.

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 6 cm, 8 cmThree spherical metal balls of radii and R cm are melted into a solid sphere of radius 12 cm, the value of R, is
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A cone and sphere have equal radii and volumes. The ratio of the diameter of sphere to the height of the cone is