ICSE Class X Math 2014 Solved Paper
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The surface area of a solid metallic sphere is 2464 cm 2 3.5 cm 7 cm
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Question : 33
Total: 52
the number of cones recast. (Take π =
Solution:
Volume of sphere =
π r 3 =
π ( 14 ) 3
Volume of cone=
π r 2 h
=
π ( 3.5 ) 2 × 7
No. of cones recast=
=
=
=
= 128 .
Volume of cone
No. of cones recast
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