Interview Question

Created by admin on Mon, 19/11/2012 - 16:53
Explanation: 

There are 60 minutes in an hour.
In ¾ of an hour there are (60 * ¾) minutes = 45 minutes.
In ¾ of an hour there are (60 * 45) seconds = 2700 seconds.
Light flashed for every 6 seconds.
In 2700 seconds 2700/6 = 450 times.
The count start after the first flash, the light will flashes 451 times in ¾ of an hour.

Question: 

If a light flashes every 6 seconds, how many times will it flash in ¾ of an hour?

Answer: 

451 times.