Question 75
If a light flashes every 6 seconds, how many times will it flash in $$\frac{3}{4}$$ of an hour?
Solution
Number of time light flashes in 6 seconds = 1 time
Number of times it will flash in 45 minutes (or 2700 sec) = $$\frac{2700}{6}=450$$
=> Ans - (C)
