Imagine a disk spinning like a record player turn table. Half of the disk is black and the other is white. Assume you have an unlimited number of colo ...
Published Questions » Interview Puzzles
Disk spinning puzzle
Posted by CMaster
There are 3 people Abel, Bill and Clark. Three of them have numbers written on their hats. One can only see the numbers written on others hats and can ...
Cubic array
Posted by CMaster
Given a cubic array made up of NxNxN smaller cubes: the cubic array is N cubes wide, N cubes deep and N cubes high.
Question: How many cubes are on ...
Why don’t cows laugh?
Posted by Scape
I was recently asked this question on non-technical interview. Any advice on how to answer such questions?
Filling Matrix Interview Puzzle
Posted by CMaster
Puzzle:
You are given a matrix N x M size. Each cell of the matrix contains a random capital letter of English alphabet [“A”..”Z”]. If matri ...
Finding Celebrity logical interview puzzle
Puzzle: You are on a party with N guests. Some people at the party know each other some don’t. However t ...
Full question:
You are standing in a corridor with N closed doors. The person walks by you and opens every door. Then the second person walks by an ...
Puzzle: A pirate ship with total crew of N pirates acquired a chest with K gold coins. Now they have to divide up the loot.
By long term pirate trad ...
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