Tag Archives: Interview puzzles

Gold Chain Puzzle

Gold Chain interview puzzle This is a good puzzle .It’s a classic puzzle there’s very less probability that you will encounter this puzzle in a technical interview.But there’s a probability that you can encounter some variant of this puzzle in your interview that’s why this puzzle is here. Problem :A man has a gold chain… Read More »

8 Coins puzzle

This is also one of the classic interview puzzle. There’s a high probability that you will encounter this puzzle or some variant of this puzzle in you interview. Problem :There are 8 identical coins.One of these coins is counterfeit and is known to be lighter than the genuine coins. What is the minimum number of… Read More »

Jelly beans Interview Puzzle

Some times problems which look complex are really not that complex. This puzzle is an example of those kind of problems. Problem :you have three jars that are all mislabeled. One contains peanut butter jelly beans(Label :PB), another grape jelly jelly beans(Label : GB), and the third has a mix of both(Label :MIX) (not necessarily… Read More »

Burning Candles puzzle

This is a famous interview puzzle .I’ve heard many candidates asked this puzzle or some variant of this puzzle in the interview. Problem :You are given two candles of equal size, which can burn for 30 minutes each. You have to measure 45 minutes with these candles. (There is no scale or clock ).There’s no… Read More »