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Interview Question

Business Analyst Interview(Student Candidate) Bangalore (India)

1) Puzzle- You have two ropes, each rope burns completely

  in 1 hour. Both the ropes are non uniform. One has to calculate 45 minutes. 2) How many coldrinks are sold in Patna in one day
Answer

Interview Answer

1 Answer

0

1) Burn 1st rope from both the ends and second rope from one end.
!st rope will burn completely in 1/2 hour and second rope in the mean time will burn for 1/2 hour, now 2nd rope will burn for 1/2 hour more, burn it from other side also, it will take 15 min to burn completely, hence it takes total 45 min to burn both the ropes.

2) No definite answer. Only the approach is tested.

Interview Candidate on Aug 9, 2012

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