## Brain Teasers Interview Questions

- 0of 0 votes

Answers4 people need to cross a bridge.

- Buzzkirk May 09, 2011

Person a = 1 min

Person b = 2 min

Person c = 5 min

Person d = 10 min

They have 1 flashlight and need to cross a bridge in the least amount of time. They can only move in pairs.| Report Duplicate | Flag | PURGE

Bloomberg LP Financial Software Developer Brain Teasers - 0of 0 votes

AnswersYou have a folder which has many sub folders, which has many sub folder and it goes on till you find a sub folder having a file which contains a phone number. Identify the file

- Guest April 20, 2011| Report Duplicate | Flag | PURGE

Amazon Software Engineer / Developer Brain Teasers - 1of 1 vote

AnswersI applied for the Pricing Quant Internship in Bloomberg and gave the Online Assessment test. I prepared for the Finance and C++ questions but to my very surprise they were all analytical for which I never prepared. Guys if you have applied for the same position please do CAT questions and Reading comprehension.

- Shekhar Agrawal April 15, 2011| Report Duplicate | Flag | PURGE

Bloomberg LP Software Engineer / Developer Brain Teasers - 0of 0 votes

AnswersThere is a circle enclosed in a square,such that it is touching all the four sides of the square. In the top left space between square and the circle, there is a rectangle with length 14 and breadth 7, such that top left corner of the rect is the top-left corner of square and bottom right corner lies on the circumference of the circle. What is the radius of the circle?

- CuriousMe March 19, 2011| Report Duplicate | Flag | PURGE

Adobe Software Engineer / Developer Brain Teasers - 0of 0 votes

AnswersThere is a 2X4 matrix, in this you are supposed to arrange the numbers from 1-8, so that no consecutive numbers are adjacent(vertically, horizontally and diagonally) to each other. It is possible to do if one keeps on trying it randomly but it can be done with an intelligent approach too. What would that be?

- CuriousMe March 19, 2011| Report Duplicate | Flag | PURGE

Adobe Software Engineer / Developer Brain Teasers - 0of 0 votes

AnswersRecently i attended amazon interview. They asked me below question:

- Gopal Rao March 18, 2011

How much time it will take to fill up a floppy Disk?| Report Duplicate | Flag | PURGE

Amazon Technical Support Engineer Brain Teasers - 0of 0 votes

Answers8 ball problem. if given 8 balls with only one ball being a lighter weight and all other 7 being the same weight and given a scale, how will you find the light weight ball. do this in minimum number of steps

- rakesh March 15, 2011| Report Duplicate | Flag | PURGE

NVIDIA Software Engineer / Developer Brain Teasers - 0of 0 votes

AnswersThere are two poles of equal height 15mts. One cable with length 16mts is hanging between that two poles. The height from center of the cable to earth is 7mts then what is the distance between that two poles.

- coolGuy March 04, 2011

How to solve this ?| Report Duplicate | Flag | PURGE

Amazon Software Engineer / Developer Brain Teasers - 0of 0 votes

Answershow to crash your system immediately?

- Domino February 26, 2011| Report Duplicate | Flag | PURGE

Google Software Engineer in Test Brain Teasers - 0of 0 votes

AnswersHow can four employees calculate the average of their salaries without knowing other's salary?

- ajit February 25, 2011| Report Duplicate | Flag | PURGE

Goldman Sachs Software Engineer / Developer Brain Teasers - 0of 0 votes

Answers<round 2>

- siva.sai.2020 February 16, 2011

10. How many ZERO s in 100! ?| Report Duplicate | Flag | PURGE

MAGMA Software Engineer / Developer Brain Teasers - 0of 0 votes

Answers<round 2>

- siva.sai.2020 February 16, 2011

9. How to check given number is prime or not ?| Report Duplicate | Flag | PURGE

MAGMA Software Engineer / Developer Brain Teasers - 0of 0 votes

AnswersThere are 60 sailors in my galleon,plus half the crew again,how many sailors do we have?

- Mark Allison February 16, 2011| Report Duplicate | Flag | PURGE

Amazon Software Engineer / Developer Brain Teasers - 0of 0 votes

AnswersYou have 20 barrels of rum,divide by a third and add 10,how many do you have?

- Mark Allison February 16, 2011| Report Duplicate | Flag | PURGE

Amazon Software Engineer / Developer Brain Teasers - 0of 0 votes

AnswersA 100-sided die, you get a second chance. Your strategy and expected payoff...

- ababa February 14, 2011| Report Duplicate | Flag | PURGE

Jane Street Software Engineer / Developer Brain Teasers - 0of 0 votes

AnswersWhat is the probability of rolling a 10 and an 11 before rolling a 7?

- Anonymous February 05, 2011| Report Duplicate | Flag | PURGE

Brain Teasers - 0of 0 votes

AnswersThere are 7 coins; One of them is different. Give you a weight and 2 chances to try. Please tell which one is different. (I can't....Sigh. Then he told me the different one is heavier. Then I got the answer.)

- sana February 03, 2011| Report Duplicate | Flag | PURGE

Bloomberg LP Financial Software Developer Brain Teasers - 0of 0 votes

AnswersSuppose there are 100 lights, which are all off. First round past them, turn all on;

- sana February 03, 2011

Second round past, turn every other off;

Third round, turn every third on;

vice verse;

Ask the 100 round past, which light will be on?| Report Duplicate | Flag | PURGE

Bloomberg LP Financial Software Developer Brain Teasers - 0of 0 votes

Answers. There are 3 people on a tower which may collapse due to fire. King(78 kg),Queen(42kg) and Prince(36kg).There is a pulley on the tower with baskets tied to it on both the sides of rope around the pulley. There is a 30kg stone in one of the baskets. There can be two persons or a person and a stone or a person or a stone in the baskets keeping in mind that the weight difference is not more than 6kg else rope would break. You have to bring all the three on ground safely.

- Anonymous January 26, 2011| Report Duplicate | Flag | PURGE

Morgan Stanley Development Support Engineer Brain Teasers - 1of 1 vote

AnswersI have a lottery ticket. Each of these lottery tickets has a 6 digit number on it. The winning lottery tickets are those whose sum of the first three digits is equal to the sum of the last three digits. How many possible winning tickets are there?

- Sonny January 14, 2011

Note: Leading ‘ZEROES’ are counted. So a number like 004103 is a valid winning ticket since 0+0+4 = 1+0+3.| Report Duplicate | Flag | PURGE

Bloomberg LP Financial Software Developer Brain Teasers - 0of 0 votes

AnswersWhen would a teleportation device not increase the speed of your commute?

- sat December 15, 2010| Report Duplicate | Flag | PURGE

Microsoft Software Engineer in Test Brain Teasers - 0of 0 votes

Answers<Round 3>

- googler December 09, 2010

prove that n(n2-1) is div by 24

Note: n is odd and >=3| Report Duplicate | Flag | PURGE

Amazon Software Engineer / Developer Brain Teasers - 0of 0 votes

AnswersThere are 8 bottles, one has poison. What's the minimum number of rats you need to find the poison bottle in time T, and how? (You get the rats you need all at once, feed them all at the same time, and poison kills them after time T.)

- Anonymous November 29, 2010| Report Duplicate | Flag | PURGE

Google Software Engineer / Developer Brain Teasers - 0of 0 votes

AnswersA bag contains 5 coins. Four of them are fair and one has heads on both sides. You randomly pulled one coin from the bag and tossed it 5 times, heads turned up all five times. What is the probability that you toss next time, heads turns up. (All this time you don't know you were tossing a fair coin or not).

- riderchap November 24, 2010| Report Duplicate | Flag | PURGE

SIG (Susquehanna International Group) Brain Teasers - 0of 0 votes

AnswersI thought about a polynomial whose coefficients are integers and non-negative (its degree can be any non-negative integer and by definition, all exponents are non-negative integers). You can ask me exactly two question about value in any point you want. What is the polynomial?

- anonymus November 20, 2010| Report Duplicate | Flag | PURGE

Brain Teasers - 0of 0 votes

AnswersYou have 100 coins, 29 of them are heads, rest are tails. You are BLINDFOLDED. You can reverse any coin. Your task is to divide this 100 coins into two groups in which there will be the same number of heads.

- njoy89 November 17, 2010| Report Duplicate | Flag | PURGE

Barclays Capital Software Engineer / Developer Brain Teasers

**CareerCup**is the world's biggest and best source for software engineering interview preparation. See all our resources.

Open Chat in New Window