57.--WHAT WAS THE TIME?

"I say, Rackbrane, what is the time?" an acquaintance asked our friend

the professor the other day. The answer was certainly curious.

"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?

Amusements in Mathematics · 第 75 / 970 题