CBSE Notes 2011-2012 - Surface Areas and Volumes
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enTwo metallic right circular cones having their heights 4.1 cm and 4.3 cm and radii of their bases 2....
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<div class="question_type_name">Multiple choice question</div><p>Two metallic right circular cones having their heights 4.1 cm and 4.3 cm and radii of their bases 2.1 cm each, have been melted together and recast into a sphere. The diameter of the sphere is</p>
Surface Areas and VolumesSat, 01 Jan 2011 19:19:05 +0000mrs_pradhan642 at http://cbsenotes.com/notesA right circular cylindrical vessel is full of water. How many right cones having the same radius an...
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<div class="question_type_name">Multiple choice question</div><p>A right circular cylindrical vessel is full of water. How many right cones having the same radius and height as those of the right cylinder will be required to store that water ?</p>
Surface Areas and VolumesSat, 01 Jan 2011 19:19:05 +0000mrs_pradhan643 at http://cbsenotes.com/notesA cylindrical vessel 32 cm high and 18 cm as the radius of the base is filled with sand. This is emp...
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<div class="question_type_name">Multiple choice question</div><p>A cylindrical vessel 32 cm high and 18 cm as the radius of the base is filled with sand. This is emptied on the ground and a conical heap of sand is formed. If the height of the conical heap is 24 cm, the radius of its base is</p>
Surface Areas and VolumesSat, 01 Jan 2011 19:19:05 +0000mrs_pradhan644 at http://cbsenotes.com/notesA solid metallic cylinder of base radius 3 cm and height 5 cm is melted to form cones, each of heigh...
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<div class="question_type_name">Multiple choice question</div><p>A solid metallic cylinder of base radius 3 cm and height 5 cm is melted to form cones, each of height 1 cm and base radius 1 mm. The number of cones is</p>
Surface Areas and VolumesSat, 01 Jan 2011 19:19:05 +0000mrs_pradhan645 at http://cbsenotes.com/notesA cone, a hemisphere and a cylinder stand on equal bases and have the same height. The ratio of thei...
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<div class="question_type_name">Multiple choice question</div><p>A cone, a hemisphere and a cylinder stand on equal bases and have the same height. The ratio of their volumes is</p>
Surface Areas and VolumesSat, 01 Jan 2011 19:19:05 +0000mrs_pradhan646 at http://cbsenotes.com/notesA cube whose edge is 20 cm long, has circles on each of its faces painted black. What is the total a...
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<div class="question_type_name">Multiple choice question</div><p>A cube whose edge is 20 cm long, has circles on each of its faces painted black. What is the total area of the unpainted surface of the cube if the circles are of the largest possible areas ?</p>
Surface Areas and VolumesSat, 01 Jan 2011 19:19:05 +0000mrs_pradhan647 at http://cbsenotes.com/notesThree cubes each of volume 216 m3 are joined end to end. The surface area of the resulting solid is
http://cbsenotes.com/notes/three-cubes-each-of-volume-216-m3-are-joined-end-to-end-the-surface-area-of-the-resulting-solid-is
<div class="question_type_name">Multiple choice question</div><p>Three cubes each of volume 216 m3 are joined end to end. The surface area of the resulting solid is</p>
Surface Areas and VolumesSat, 01 Jan 2011 19:19:05 +0000mrs_pradhan648 at http://cbsenotes.com/notesA cube of side 4 cm is cut into a number of cubes, each of side 2 cm. The number of cubes will be
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<div class="question_type_name">Multiple choice question</div><p>A cube of side 4 cm is cut into a number of cubes, each of side 2 cm. The number of cubes will be</p>
Surface Areas and VolumesSat, 01 Jan 2011 19:19:05 +0000mrs_pradhan633 at http://cbsenotes.com/notesIn a swimming pool measuring 90 m x 40 m, 150 men take a dip. If the average displacement of water b...
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<div class="question_type_name">Multiple choice question</div><p>In a swimming pool measuring 90 m x 40 m, 150 men take a dip. If the average displacement of water by a man is 8 m3, then rise in water level is</p>
Surface Areas and VolumesSat, 01 Jan 2011 19:19:05 +0000mrs_pradhan649 at http://cbsenotes.com/notesA 4 cm side cube is cut into 1 cm side cubes, then total surface area of all the small cubes is
http://cbsenotes.com/notes/a-4-cm-side-cube-is-cut-into-1-cm-side-cubes-then-total-surface-area-of-all-the-small-cubes-is
<div class="question_type_name">Multiple choice question</div><p>A 4 cm side cube is cut into 1 cm side cubes, then total surface area of all the small cubes is</p>
Surface Areas and VolumesSat, 01 Jan 2011 19:19:05 +0000mrs_pradhan634 at http://cbsenotes.com/notes