ABC26GN4771 · Volume and Surface Area

Subject: General Aptitude · Chapter: Volume and Surface Area · Exam: · Marks: · Difficulty:

Find the number of lead balls, each 1 cm in diameter that can be made from a sphere of diameter 12 cm. 4  3 3
Answer
Answer (as printed):
Explanation
Volume of larger sphere =  π × 6 × 6 × 6 cm = 288 π cm . 3  4 1 1 1 3 π Volume of 1 small lead ball =  π × × ×  cm = cm 3 . 3 2 2 2 6  6 ∴ Number of lead balls =  288 π ×  = 1728.  π

Explanation as extracted from the printed page; notation may be imperfect.

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