"If you add one quarter of the time from noon till now to half the time from now till noon to-morrow, you will get the time exactly."
What was the time of day when the professor spoke?
How many minutes is it until six o'clock if fifty minutes ago it was four times as many minutes past three o'clock?
A friend pulled out his watch and said, "This watch of mine does not keep perfect time; I must have it seen to. I have noticed that the minute hand and the hour hand are exactly together every sixty-five minutes." Does that watch gain or lose, and how much per hour?