a metallic sphere of radius 10.5 cm is melted and then recast into small cones ,each of radius 3.5 cm and height 3cm .find how many cones are obtained.
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i taken volume of sphere 2/3pier×r×r byt that is4/3pier×r×r so in place of 2/3 keep4/3 thqn cones formed is 378
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nimmaladinesh:
first i kept that sum is wrong
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