Railways PYQCBT 2 2017

RRB NTPC · Question 68

The volume (in cu. cm.) of a right circular cylinder with radius 2.5 cm and height 2 cm is : (Take \(\pi = \frac{22}{7}\))

  1. 275

  2. 275 / 21

  3. 275 / 2

  4. 275 / 7

Show answer & explanation

Answer: (D) 275 / 7

Explanation

Volume = πr²h = 22/7 × 2.5 × 2.5 × 2 = 22/7 × 12.5 = 275/7 cubic cm.