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Aptitude · Q105

Volume And Surface Area

Competitive Exams · Aptitude · question 105

Q105

Some solid metallic right circular cones, each with radius of the base 3 cm and height 4 cm, are melted to form a solid sphere of radius 6 cm. The number of right circular cones is :

A.
6
B.
12
C.
24
Answer
D.
48

Answer: Option C

Solution

Answer: Option C
Solution:
Volume of sphere :

Volume of each cone :

∴ Number of cone :
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