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Principal consultant Interview Questions

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analytical- there are 50 floors in a building. You are given two balls which can break at a certain f trheight . Give a solution where you can determine the critical height at which a ball breaks. the solution should be optimised to give the least no. of tries for the worst case scenario(i.e where the ball breaks on the 50th floor only)

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think over !!

first ball --- throw it every floor from the iteration the second balls breaks second ball --- throw it every 3 or 4 or 5 floor ... When the second ball breaks, you know there are only 3 or 4 or 5 floors to check ... O (log n) complexity ... best case O(1)

i'll go with binary search procedure..since it stands a better chance

Code for some rest services where a user can see & buy the applicable games.

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questions related to technical skills which candidate would have

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Tell me your ability to work under pressure?

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About the educational background, work experiences, willingness to relocation

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How will you save a hierarchical data into a file.

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Mostly DS, Algorithm, Puzzles and Java with several rounds. Perpare well from online sources, and you will be through.

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How to reverse the linked list

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All are average questions.

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*How to find out the inorder successor of a node in a tree??

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