Question 55

The minutes hand of an incorrect clock overtakes the hours hand at an interval of 63 minutes,Then the time it gains in a day, in minutes, is

Solution

The actual time taken by minute hand to overtake the hour hand every hour must be = 360/5.5 = 720/11 minutes.
However, the time getting taken in the incorrect clock = 63 minutes.

Thus the time gained every hour = (720/11) - 63 = 27/11 minutes 
Hence, the time gained during the entire day = Just slightly over 56 minutes i.e. option A


Create a FREE account and get:

  • Download Maths Shortcuts PDF
  • Get 300+ previous papers with solutions PDF
  • 500+ Online Tests for Free

cracku

Boost your Prep!

Download App