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A cone of height 15 cm and base diame...

A cone of height 15 cm and base diameter 30 cm is carved out of a wooden sphere of radius 15 cm. The percentage of wood wasted is (a) 25%        (b) 40%      (c) 50%     (d) 75%

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A cone of height 15 cm and base diameter 30 cm is carved out of a wooden sphere of radius 15 cm. The percentage of wasted wood is :

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RS AGGARWAL-VOLUME AND SURFACE AREAS-All Questions
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