top button
Flag Notify
    Connect to us
      Site Registration

Site Registration

Amoeba which self double every second and fills entire room in 1 hour. When will amoeba fill a half the room?

0 votes
520 views

amoeba

If in a room there is an amoeba and he make him self double every second and will fill the entire room in 1 hour. When (in seconds) will amoeba fill a half the room?

posted Apr 21, 2015 by anonymous

Share this puzzle
Facebook Share Button Twitter Share Button LinkedIn Share Button

3 Answers

+1 vote
 
Best answer

When 3599 seconds will amoeba fill a half the room, The next second is 3600, that is 1 hour so that is doubled and fill the room .

answer Apr 22, 2015 by Sreejith Pottathil
+1 vote

1 second less from 1 hour = 3600 - 1 = 3599

answer Sep 24, 2015 by Kumar
–1 vote

1800 seconds; 30 minutes.
In the next second the room will be completely filled.

answer Apr 21, 2015 by Fostek
...