A 5 feel pole is so place that its ends rest on 2 buckets , one filled with sugar and the other with cream. Some ants are dropped randomly(wrt the point of drop) on the pole and they start running towards the left or right directions. If 2 ants hit each other they reverse their direction instantaneously and start moving again. If an ant reaches the either end of the pole it jumps into the bucket at that end to bask in heavenly sweetness.
If they travel at 1 inch/second how long will it take for all ants to fall off ?
13 comments:
:) does not matter whether they reverse when they collide or just cross over each other. So if we replace the situation saying that the ants cross over each other when they collide ..what will be the answer....????
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