All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars    
perplexus dot info
Home > General > Tricks
These tricky problems seem perfectly straightforward. At first.
Difficulty: 1 of 5 Latest: Four singers
Four singers take part in a musical round of 4 equal lines, each fi nishing after singing the round through three times.
The second singer begins when the fi rst singer begins the second line,the third singer begins when the fi rst singer begins the third line,the fourth singer begins when the first singer begins the fourth line.

Find the fraction of the total singing time that all four are singing at the same time.
(No Solution Yet, 3 Comments) Submitted on 2018-03-26 by Ady TZIDON   
Page 2 of 6   << prev next >>    
Difficulty: 2 of 5Ways and means | Rating: 1.75
Posted on 2014-06-05 by Ady TZIDON (Solution Posted, 11 Comments)
Difficulty: 2 of 5Geography? Spelling? Logic? |
Posted on 2014-01-24 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5A neat trick | Rating: 4.00
Posted on 2013-12-26 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 1 of 5Six Letter Strikeout | Rating: 3.00
Posted on 2013-12-10 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 2 of 5My first is in MEAT, but not in FEET | Rating: 4.00
Posted on 2013-12-03 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Winning Number |
Posted on 2013-06-26 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5What's wrong with him? |
Posted on 2013-05-16 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 2 of 5Who is older? | Rating: 3.00
Posted on 2013-01-28 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5A flawed proof? (2) |
Posted on 2012-09-27 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 1 of 5Card game II |
Posted on 2012-09-17 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5440 | Rating: 3.00
Posted on 2012-09-10 by K Sengupta (No Solution Yet, 12 Comments)
Difficulty: 2 of 5Cookie Monster | Rating: 4.50
Posted on 2012-09-06 by Joshua (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Wall space |
Posted on 2012-08-31 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 1 of 5Doubtful Divisibility |
Posted on 2012-05-09 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 1 of 5Slick Equality | Rating: 3.00
Posted on 2012-03-20 by K Sengupta (No Solution Yet, 3 Comments)
Please log in:
Login:
Password:
Remember me:
Sign up! | Forgot password


Search:
Search body:
Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (4)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:
Copyright © 2002 - 2018 by Animus Pactum Consulting. All rights reserved. Privacy Information