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1500 questions
156
votes
4 answers
Find the letters that complete these five patterns
Complete the last line in each of the following five series:
Puzzle 1:
"Using" is E
"Desist" is I
"Visits" is E
"Design" is ???
Puzzle 2:
"Asia" is H
"Cuffs" is S
"Ender" is I
"Redness" is F
"Fuchsia" is ???
Puzzle 3 (advanced):
"Pro-tem" and…
Matt Malone
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149
votes
12 answers
A double-agent with a conundrum
You are a double-agent in the most important war of the 20th century, The
Falklands war. For years you have been playing the United Kingdom and Argentinian
governments against each other, taking bribes from both sides and it has caught
up with…
John Meacham
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146
votes
2 answers
A mysterious email from Andrew Void
You are a secret agent in the service of the KGB, about to embark on a highly dangerous mission to infiltrate MI6. You have your disguise, your papers, and your backstory all prepared. The night before your departure, you receive the following…
Rand al'Thor
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142
votes
8 answers
How can 64 = 65?
Here is a interesting picture with two arrangements of four shapes.
How can they make a different area with the same shapes?
ʇolɐǝz ǝɥʇ qoq
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142
votes
2 answers
Hearken, now, and listen close!
Hearken, now, and listen close; I have so much to tell.
Now lend an ear and do your job; you surely will excel.
To find my hidden message, gaze on every word herein.
While skimming through it might be fast, you'll miss the quiet gem.
How…
GentlePurpleRain
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136
votes
13 answers
This is it. This is the one. Find your wife
If you have found her, maybe you could try saving her?
You come home one day and find your wife is out. You open your computer and discover an email from her.
To xxxxx,
/
Curiosity killed the cat, so whatever you do, please don’t come and find…
Beastly Gerbil
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- 8
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134
votes
7 answers
Mensa IQ test question - lines in squares
Which of the 8 tiles below is missing?
I've been trying to figure out the answer to this question for quite some time. Can anyone spot the pattern?
Source: https://www.bergmandata.com
Mathxx
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133
votes
8 answers
The Sheikh dies
The Sheikh dies, leaving behind three sons, 17 camels and the following order:
His oldest son shall inherit one in two camels.
His middle son shall inherit one in three camels.
His youngest son shall inherit one in nine camels.
Now the three don't…
Alexander
- 2,443
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130
votes
1 answer
How can this shape perfectly cover a cube?
The following shape:
can be folded onto the surface of a cube in a way that perfectly covers the entire cube with no gaps and no overlaps.
How can this be done?
plasticinsect
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130
votes
16 answers
Two doors with two guards - one lies, one tells the truth
You are a prisoner in a room with 2 doors and 2 guards. One of the doors will guide you to freedom and behind the other is a hangman–you don't know which is which, but the guards do know.
One of the guards always tells the truth and the other always…
Rafe
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129
votes
5 answers
Is this duplo train track under too much tension?
My kids were making this train track of duplo the other day, and this is what they put together. They are still very young, and for them, this is something big. They were really proud that they created this awesome track:
(click to enlarge)
I liked…
Lezzup
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128
votes
2 answers
Which country is INDIA in?
An intrepid globetrotter needs to know this:
BENIN is in Libya
CANADA is in China
DENMARK is in the United States
FRANCE is in Germany
INDIA is in ??
Tom
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127
votes
12 answers
Paying the Troll toll
You are on your way to visit your Grandma, who lives at the end of the valley. It's her birthday, and you want to give her the cakes you've made.
Between your house and her house, you have to cross 7 bridges, and as it goes in the land of make…
Shevliaskovic
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126
votes
1 answer
A Missing Symbol for This Logo
What symbol should I put in the center to complete this logo?
athin
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125
votes
2 answers
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risky mysteries
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