Riddle

100 ants on 1m stick at 1cm/s. Max time to clear?

Choose an answer

A.1 second
B.50 seconds
C.Infinity
D.100 seconds
Hint: It's a word with 7 letters, starting with "1".

Answer

100 seconds

Why this is the answer

Because all ants are identical, a 'bounce' is mathematically the same as two ants passing through each other. The max time is just the time for the furthest ant to walk to the end.

This riddle is filed under Expert Riddles for Adults and rated Hard.