Railways PYQCBT 1 2020

RRB NTPC · Question 68

The value of \(\frac{\sqrt{54}\times\sqrt{125}}{\sqrt{24}\times\sqrt{45}}\) is:

  1. 4

  2. 2.5

  3. 2√5

  4. 4√6

Show answer & explanation

Answer: (B) 2.5

Explanation

√(54 × 125)/√(24 × 45) = √(6750/1080) = √6.25 = 2.5.