Morgan Stanley Interview Question for Software Engineer / Developers






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??

- Anonymous November 20, 2008 | Flag Reply
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Train A Speed = 100 miles/h
Train B Speed = 100 miles/h
Length of Tunnel = 100 miles

A and B enter into tunnel from opposite end.
A and B meet at middle of tunnel (50miles) after 30 minutes.
A and B cross each other in 15 minutes.

Not sure about Bee and its life saving strategy since there is no information like direction of bee, how it comes to tunnel ect.

- LittleMan December 09, 2008 | Flag Reply
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our brain teaser in primary school :)

- Anonymous May 07, 2009 | Flag Reply
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You put not even half the question and say you guys know. 2 trains, a bee .... wht?

- Ahh!!! March 05, 2010 | Flag Reply
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hi,
how can A and B cross each other in 15 mins if they meet in 30 mins.
assuming a and b wont crash against each other, and are on parallel tracks but moving in opposite directions, they should begin overlapping in the 31st minute.

- Anonymous April 13, 2010 | Flag Reply
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Search for "Train ans bee problem answer" on Google to get the problem along with its solution.

- Anonymous September 11, 2010 | Flag Reply
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Bee travels to one train and starts in the reverse direction to the other train until it is dead. What is the distance travelled by the bee before it is dead.

- Anonymous October 08, 2012 | Flag Reply
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To Help someone in search of the problem ..

problem: two trains enter a tunnel 200 miles long (yeah, its a big tunnel) travelling at 100 mph at the same time from opposite directions. as soon as they enter the tunnel a supersonic bee flying at 1000 mph starts from one train and heads toward the other one. as soon as it reaches the other one it turns around and heads back toward the first, going back and forth between the trains until the trains collide in a fiery explosion in the middle of the tunnel (the bee survives). how far did the bee travel?

- Devikiran R March 11, 2014 | Flag Reply
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hxxp://mathworld.wolfram.com/TwoTrainsPuzzle.html

- hulk May 03, 2014 | Flag Reply


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