2017-12-15 03:08

Source:Sent to me by Gaurav Sinha
Problem:Siddhant writes a Maths test and correctly answers 5 out of 6 Arithmetic questions and 20 out of 28 Geometry questions. In total, Siddhant s… Read More

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pratikpoddarcse.blogspot.com

Quant, Math & Computer Science Puzzles for Interview Preparation & Brain TeasingA collection of ~225 Puzzles with Solutions (classified by difficulty and topic)

2017-12-15 03:08

Source:Sent to me by Gaurav Sinha
Problem:Siddhant writes a Maths test and correctly answers 5 out of 6 Arithmetic questions and 20 out of 28 Geometry questions. In total, Siddhant s… Read More

2017-03-09 13:48

Source: Alok Goyal (Stellaris VP, Ex-Helion VC) puzzle blogProblem: A fast food restaurant sells dimsums in boxes of 7 and 3. What’s the greatest number of dimsums a person cannot buy… Read More

2016-07-27 13:33

Problem:There are two maternity hospitals in a town with 50 and 500 beds. Given full occupancy on a particular day, which of these hospitals is more likely to have equal no of boys and girls… Read More

2016-06-29 19:27

Source: Alok Goyal (Stellaris VP) puzzle blogProblem:
This is another famous puzzle in the Martin Gardner collection, and variations of this puzzle exist in different “sizes”. Th… Read More

2015-09-13 18:03

Source: Alok Goyal's Puzzle PageProblem:
In a line up of 10 soldiers, what is the least number of soldiers that can be picked in order of either ascending or descending heights? Assume… Read More

2015-04-15 18:01

Source: Sent to me by Prateek Chandra Jha (IIT Bombay)Problem:
This problem is inspired by the Cheryl's Birthday Puzzle (FB Post, Guardian Link).
Paul, Sam and Dean are assigned the task of… Read More

2015-03-06 05:47

Source: Alok Goyal Puzzle Page ( http://alokgoyal1971.com/ ) . Alok is ex-IIT Delhi, Partner at Helion VC
Problem:Part I (Easy): Using a clock, divide a pizza among 12 peoplePart II (Diff… Read More

2015-02-18 13:11

Source: Asked to me by Ankush Jain (CSE IITB 2011, Morgan Stanley Quant Associate). He took it from Algorithms Design book by Tardos and Kleinberg
Problem:
Easy case:
You’re tryi… Read More

2015-01-23 10:31

Source: Sent to me by Sudeep KamathProblem:Airline check-in baggage has size restriction by so-called linear dimension: length + breadth + height should not exceed 62 inches. P… Read More

2015-01-21 10:30

Source: Mailed to me by Kushagra Singhal, Ex-IIT Kanpur, PhD Student at University of Illinois at Urbana-ChampaignProblem:
Prove that for any positive K and a natural number n, every (n*K)t… Read More

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