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Railways PYQCBT 2 2017

RRB NTPC · Question 18

The volume (in cubic cm) of a right circular cylinder with radius 2 cm and height 2 m is : (take \(\pi = \frac{22}{7}\))

  1. 175/7

  2. 176/21

  3. 17600/7

  4. 176

Show answer & explanation

Answer: (C) 17600/7

Explanation

The height is 2 m = 200 cm. Volume = πr²h = 22/7 × 2² × 200 = 17600/7 cubic cm.