ABC26GN4773 · Volume and Surface Area
Subject: General Aptitude · Chapter: Volume and Surface Area · Exam: 2003 · Marks: · Difficulty:
How many spherical bullets can be made out of a lead cylinder 28 cm high and with base radius 6 cm, each bullet being 1.5 cm in diameter?
Answer
Explanation
Volume of cylinder = (π × 6 × 6 × 28) cm 3 = (36 × 28) π cm3. VOLUME AND SURFACE AREAS 773 4 3 3 3 3 9π Volume of each bullet = π × × × cm = cm 3 . 3 4 4 4 16 Volume of cylinder 16 Number of bullets = = (36 × 28) π × = 1792. Volume of each bullet 9 π
Explanation as extracted from the printed page; notation may be imperfect.
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