A: "The time now equals quarter of the time that passed since noon till now plus half of the time left from now till tomorrow's noon."

Please express R's response in HH:MM format.

Abridged from Dudeney's " Amusements in Mathematics" (1917)

(In reply to No Subject by Dej Mar)

Bravo,

Neither the great Dudeney nor my humble self took into account

the second possibility, which definitely qualifies as a valid solution.

With your permission , your post will be copied as the official solution.

 

Posted by Ady TZIDON on 2011-09-20 14:27:10