Author |
Topic: Swan Lakes. (Read 1815 times) |
|
rloginunix
Uberpuzzler
Posts: 1029
|
 |
Swan Lakes.
« on: Feb 20th, 2014, 11:55am » |
 Quote  Modify
|
Swan Lakes.
A flock of swans is approaching a group of lakes. Every time the swans are flying over a lake one half of them plus half-a-swan land while the remaining swans continue on to the next lake. In that fashion all the swans land on 7 lakes.
How many swans were in the flock?
(This is the second problem in a series of three related ones. The first problem is "The Devil and the Loiterer". The third and the last one is "The Devil, Swans, Two Eggs and a 100-story building").
|
|
 IP Logged |
|
|
|
riddler358
Junior Member
Posts: 84
|
|
Re: Swan Lakes.
« Reply #1 on: Feb 20th, 2014, 2:00pm » |
Quote Modify
|
127
|
| « Last Edit: Feb 20th, 2014, 2:00pm by riddler358 » |
IP Logged |
|
|
|
rloginunix
Uberpuzzler
Posts: 1029
|
|
Re: Swan Lakes.
« Reply #2 on: Feb 21st, 2014, 7:48am » |
Quote Modify
|
riddler358 is correct.
And now on to the third and final problem that will make it clear why I started this in the first place. Please go to "The Devil, Swans, 2 Eggs and a 100-story Building".
|
|
IP Logged |
|
|
|
UgoLocal02
Newbie
Gender: 
Posts: 31
|
|
Re: Swan Lakes.
« Reply #3 on: Jun 12th, 2014, 1:03am » |
Quote Modify
|
127
|
|
IP Logged |
|
|
|
|
RIDDLES SITE
WRITE MATH!
Home 
Help 
Search 
Members 
Login 
Register
Reply
Notify of replies
Send Topic
Print