If the diameter of a sphere is 6 m, its hemisphere will have a volume of · ABC26GN5040

Subject: General Aptitude · Chapter: Volume and Surface Area · Exam: R.R.B. 2007

If the diameter of a sphere is 6 m , its hemisphere will have a volume of

(a)$18 \pi$

(b)$36 \pi$

(c)$72 \pi$

(d)None of these

Answer

Answer (as printed): A

Explanation

Volume of hemisphere $=\left(\frac{2}{3} \pi \times 3 \times 3 \times 3\right) \mathrm{m}^{3}=(18 \pi) \mathrm{m}^{3}$.

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

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