Five Fives (in Numbers) Rating: 4.47 Posted on 2005-09-18 by Josh70679 (Solution Posted, 395 Comments)
LCM and GCD Equation (in Just Math) Rating: 5.00 Posted on 2016-05-03 by K Sengupta (Solution Posted, 172 Comments)
Poetry in motion (in Riddles) Rating: 3.61 Posted on 2004-03-25 by Dan (Solution Posted, 152 Comments)
Around The World (in Logic) Rating: 3.46 Posted on 2003-03-20 by Ravi Raja (Solution Posted, 140 Comments)
Who Stole the Birdseed? (in Logic) Rating: 3.03 Posted on 2004-10-21 by Captain Paradox (Solution Posted, 134 Comments)
Math. competition, (in Just Math) Rating: 4.75 Posted on 2012-03-21 by Ady TZIDON (No Solution Yet, 117 Comments)
Mister Resistor (in Science) Rating: 4.69 Posted on 2006-11-03 by Larry (Solution Posted, 115 Comments)
Can Or Cannot (in Paradoxes) Rating: 3.58 Posted on 2003-04-30 by Ravi Raja (Solution Posted, 110 Comments)
The death of Sir Levikus (in Logic) Rating: 3.81 Posted on 2005-07-12 by pcbouhid (Solution Posted, 103 Comments)
I am all around (in Riddles) Rating: 2.35 Posted on 2005-05-23 by Galvanic-Ray (Solution Posted, 102 Comments)
who will marry the princess (in Riddles) Rating: 3.18 Posted on 2004-02-13 by pleasance (Solution Posted, 98 Comments)
Flawless Series? (in Sequences) Rating: 3.10 Posted on 2003-11-29 by SilverKnight (Solution Posted, 93 Comments)
Prime Perimeter (in Logic) Rating: 2.82 Posted on 2005-03-11 by Erik O. (Solution Posted, 90 Comments)
It is a riddle (in Riddles) Rating: 3.71 Posted on 2005-04-13 by Michael Cottle (Solution Posted, 90 Comments)
Marbles Bonanza (in Paradoxes) Rating: 3.62 Posted on 2003-09-08 by levik (Solution Posted, 87 Comments)
Cigarette Bar Bet (in Science) Rating: 3.24 Posted on 2003-10-15 by Chan Wah (Solution Posted, 86 Comments)
Lovelorn Snail (in Riddles) Rating: 2.81 Posted on 2003-11-27 by SilverKnight (Solution Posted, 84 Comments)
Poisonous Dilemma (in Paradoxes) Rating: 3.85 Posted on 2004-04-19 by Victor Zapana (No Solution Yet, 84 Comments)
Factorial Crossed Perfect Square Settlement (in Numbers) Rating: 5.00 Posted on 2023-09-21 by K Sengupta (Solution Posted, 82 Comments)
The Logician's Birthday (in Logic) Rating: 3.54 Posted on 2004-11-17 by Erik O. (Solution Posted, 76 Comments)
