6
votes
1answer
32 views

Find the identity of the four troll brothers

The four troll brothers Wudhor, Xhaqan, Yijlob and Zrowag have the following properties: Wudhor always says the truth. Xhaqan always lies. Yijlob lies or says the truth unpredictably. ...
-3
votes
3answers
34 views

Find the length, width and height of the box

I have a box. Ratio of length, width and height of the box is $a:b:c$. Ratio of sum of all 12 edges' length, sum of all 6 surface area and volume is also $a:b:c$ Find the length, width and height of ...
7
votes
1answer
154 views

A man using one finger

A man using only one finger sends up 6 people in 6 seconds. Is he Superman? No. Is he Spiderman? No. Is he Rajnikanth? No. Who is he?
5
votes
2answers
155 views

Modify a magic square

This is a 3x3 magic square of summation, in which sums of each row, column, and diagonal are equal. $$\begin{array}{c|c|c} 4&9&2\\\hline 3&5&7\\\hline 8&1&6 \end{array}$$ Now ...
-3
votes
1answer
57 views

Escape the “bowl” above the abyss

You are at the bottom of this sphere section. You know the two given measures. The “bowl” is above and in the middle of circular opening of an abyss. The opening is circular with a radius of 4.87. The ...
3
votes
3answers
665 views

I have legs but cannot walk

I have eyes, but cannot see. I have hands, but cannot work. I have legs, but cannot walk. Kids like me very much. What am I?
12
votes
1answer
230 views

Put numbers to a star-shaped puzzle

For users who can not see picture, see description below ...
7
votes
1answer
401 views

The same forwards and backwards, What am I?

Read forwards or backwards I'm the same Remove my last two letters I sound like a single letter Without my first two letters I'm trivial and sound like I'm an animal Leave only my second and fourth ...
1
vote
2answers
95 views

Nobody likes me, yet I am never alone

Whether I am American or French is still unknown. I am notorious for my wanderings in Africa, anyway. I just go from one place to another, and stay there, sometimes unbeknownst and sometimes ...
13
votes
1answer
291 views

This is an opportunity. Can you take it?

The first thing you hear on awakening is the clock. It sounds just like the one you have in your room. But what you see defies what you hear. You've never seen this room before. You don't remember ...
5
votes
1answer
187 views

Alberi Puzzle, no idea where to go

The following image is a puzzle I've been stuck in for about a week now, I was wondering how to go about solving it: The way it works is that any given row, any given column and any given area has ...
4
votes
1answer
127 views

PUZZLE WORLD alphametic

I have tried to solve this but I can't. Does somebody know the answer? Ref: Puzzle World, Ed. Nob Yoshigahara and Richard Bozulich, Ishi Press, Summer 1992, Pilot Edition.
8
votes
1answer
200 views

What's wrong with this parity?

Here you see my Rubik's $10\times10\times10$ I don't know how to solve this using an algorithm, also the same thing happens to my $6\times6\times6$. What algorithm should I use? (The whole cube is ...
5
votes
1answer
423 views

A Beautiful Looking Puzzle

In the picture given below, can you find out which picture will take place of the question mark and add your reasoning as well? 1.) 2.) 3.) 4.) 5.) 6.) 7.) 8.)
8
votes
4answers
250 views

Guessing is a four-letter word

This is my first riddle here — I hope it's not too easy. I killed my brother a long time ago, And if I'm right, running fast won't help you. My relatives are weaker, shorter; But ...

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