User page for:

GreatGray


Liked Puzzles

4 likes 3.5
(Fairly Easy)
A Guess-my-rule Problem in Mathematics
Guess the rule: 1254 is 13 4097 is 36 1111 is 2 2222 is 8 3478 is 53 1010 is 1 ...
Added 7 months ago by GreatGray currently with 20 comments
52 likes 5.2
(Moderate)
The Hidden Tiger in Optical Illusions
This must be the toughest optical illusion I’ve ever come across, created by American w...
Added about 1 year ago by copter currently with 46 comments
23 likes 7.5
(Challenging)
Cards With Crosses in Logical
You have a stack of 23 cards. Each card has an image of a cross on one side, and an ima...
Added about 1 year ago by jaX currently with 33 comments
19 likes 7.4
(Challenging)
The Number Problem in Logical
What does 3685=? 8809=6 7111=0 2172=0 6666=4 1111=0 3213=0 7662=2 8096=5 931...
Added about 1 year ago by Tsion currently with 41 comments

Recent Comments

greatgray 7 months ago

I solved that as soon as I finished reading it

(in How Come?)
greatgray 7 months ago

My answer is not yes. :)

(in Parodoxical Statements from Life)
greatgray 7 months ago

I would stand in the center of the blades(the little circle), and when they start, I would jump. When I land, I would jump again as soon as possible. I would repeat until it ends(if at all!). :)

(in Crazy Google Interview Question)
greatgray 7 months ago

I thought that the answer was 3.(log-2 of 8)

(in The Classic Weights & Scale)