The Grey Labyrinth is a collection of puzzles, riddles, mind games, paradoxes and other intellectually challenging diversions. Related topics: puzzle games, logic puzzles, lateral thinking puzzles, philosophy, mind benders, brain teasers, word problems, conundrums, 3d puzzles, spatial reasoning, intelligence tests, mathematical diversions, paradoxes, physics problems, reasoning, math, science.

Gomez · candid chimera

Saw this one in a magazine and couldn't get it.

A car dealer orders 150 black cars, 56 silver cars, 550 gold cars, and 100 yellow cars. How many blue cars does he order?

I don't know the answer to this one.

Quailman · His Postmajesty

quinquaginta

Trojan Horse · Daedalian Member

Maybe this similar puzzle will help you out, Gomez. (not my invention)

Julius Caesar decided to throw a big party, and he ordered a bunch of togas for his guests to wear. He ordered 40 extra large togas, 50 large togas... and for some reason, he ordered 1000 medium togas. And he didn't order any small ones!

Why did he do this? Enthusiastic Grin

MatthewV · Daedalian Member :_

Shouldn't it be 1001 Medium togas? Or just 10 Extra large? But then there would be 50 smalls. I don't think the toga problem is actually consistent.

Scurra · Daedalian Member

Now the toga problem seems perfectly consistent to me, in a way that the car one doesn't (it's much less elegant too.) (Do they have a different way of labelling clothes where you are?)
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jesternl · Yankee Doodle Dutchie

They seem identical to me Scurra, what's inconsistent about the Car one?

referee · June 21st, 2004 Member

Ever played 3 in Three?
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MNOWAX · 0.999... of a Troll

I got the second one, but I don't know how it pertains to the first (there are code letters for colors for cars?)
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Trojan Horse · Daedalian Member

MNOWAX: no, there aren't.

Scurra · Daedalian Member

MatthewV · Daedalian Member :_

I guess I didn't think to the abbreviations for toga sizes.
For the cars: if there had been a "Milky" color, the man would order 1051 is my understanding.

I guess the toga problem is more elegant.

Quailman · His Postmajesty

At least with all the cars but yellow, you can take the roman numerals and make the highest number and it's legitimate. LL is not a number.