DE Shaw Interview Puzzles have been brought to you by GPuzzles.Com. The basic motive behind this post is to make the students (preparing for the interview) aware of the structure of Interview Questions in DE Shaw.

The following DE Shaw Interview Puzzles will help you brush up your skills and will make you more confident while giving the interview.
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DE Shaw Interview Puzzle - Aptitude #1 - Monty Hall Interview Problem

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Sarah and Michael are a loving couple. One night Sarah playfully places three identical boxes on a table in front of Michael. Out of the three boxes, one contains a pearl and other two are empty. Michael is then allowed to pick any one of them. Now between the two boxes that remain on the table, at least one is empty. Sarah removes one empty box from the table. Now Michael must choose from the box he picked or the box on the table.

What box should Michael choose?

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DE Shaw Interview Puzzle - Aptitude #2 - Popular River Crossing Interview Puzzle

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There is a river which has to be crossed using a boat that can accommodate only two persons at a time. On one side are three missionaries and three cannibals. All of them must reach the other side. Also in no condition should greater number of cannibals be left with less number of missionaries or they will eat them.

How will they cross the river?

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DE Shaw Interview Puzzle - Aptitude #3 - Toughest Bulb Logic Interview Puzzle

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There are 100 bulbs lined up in a room. All are turned on in the first pass. Then all the even numbered light bulbs are switched off. After that, every third bulb is switched on. Then all those bulbs that were switched off are turned back on and all those that were lit are turned off. Then the same process is being carried with the fourth bulb and the fifth bulb.

How many bulbs are glowing after 100 passes?

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DE Shaw Interview Puzzle - Aptitude #4 - Fishermen and Fishes Interview Puzzle

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Six fishermen catches six fishes in six minutes. How many fishermen will be needed to catch sixty fishes in sixty minutes?

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DE Shaw Interview Puzzle - Aptitude #5 - Hands of Clock Interview Puzzle

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Can you determine how many times do the minute and hour hands of a clock overlap in a day?

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