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There are 3 ants at 3 corners of a triangle, they randomly 
start moving towards another corner. What is the 
probability that they don't collide?
 Question Submitted By :: Requirements-Management
I also faced this Question!!     Answer Posted By  
# 1
The probability is 25% because there are 3 ants all with
two possible paths and 8 total possible outcomes. But
there are two possible outcomes that the ants don't
collide. Either they move one way or the other. 2/8 = 25%.
Is This Answer Correct ?    67 Yes 8 No
# 2
Each ant can move in 2 directions. Lets say direction are
Left (L) and Right (R). Solution if all ants move either
towards L or R. For L (1/2 * 1/2 * 1/2) = 1/8. Same for R =
1/8. Total for L and R = 1/8 + 1/8 = 1/4.
Is This Answer Correct ?    59 Yes 2 No
# 3
To prevent collision ants have to move in this particular way
A-->B,B-->C,C-->A ; probability=(1/2*1/2*1/2)

in opp direction
A-->C,C-->B,B-->A ; probability=(1/2*1/2*1/2)

probability that the ants doesnt coincide=

ans. 1/4
Is This Answer Correct ?    21 Yes 1 No
Sandeep Reddy
# 4
actually we have to take care that no 2 ants should
collide....therefore, that is only possible if 1st follows
the second and second follows the third and third follows
the it can be either clockwise or
anticlockwise....hence 2 ways out of 8 ways.....ans is
Is This Answer Correct ?    4 Yes 1 No
# 5
Actually we can say with absolute certainty that two of the
ants will move in the same direction. One of them may not.
It is a trick question. There is a 50/50 chance that one of
the ants may not move in the same direction as the other two.
So the answer is 50%.
Is This Answer Correct ?    1 Yes 2 No
# 6
How do you consider that the ants can move only in 2
directions (L or R) ? They could even move "randomly", say
straight, collide, and then move to some corner..
Is This Answer Correct ?    1 Yes 17 No

Other Requirements Management Interview Questions
  Question Asked @ Answers
Explain how you manage requirements in your project?   1
Where and how do you document your requirements? Magnum 2
How do you ensure that you base your software plans, work items and products on the requirement?   2
If you look at a clock and the time is 3:15, what is the angle between the hour and the minute hands   11
How would you weigh a plane without using scales?   7
What will you do if you find that you cannot meet the requirements? Zenith 2
You run a technical support website where members post questions and answers to problems experienced and general know how. You have to provide explanations to recently posted questions. Some opf these questions need reasearch. Wipro 2
wipro ask the queation from software engg,the question was water falls method? Wipro 2
What new feature would you add to MSWORD if you were hired?   1
How many times a day a clock's hands overlap?   15
Why are beer cans tapered at the top and bottom? Microsoft 3
For more Requirements Management Interview Questions Click Here 

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