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Anil Saigal 04/28/2009
 Please send your solutions to anil@lokvani.com.
 Problem Solutions 04/16/09PROBLEM # 1 Any given length of highway is equally likely to have as many potholes as any other length of equal size. The average number of potholes per mile of highway is 3. What is the probability that 2 miles of highway have 3 or fewer potholes? Solution: P(0)+P(1)+P(2)+P(3) using Poisson's Distribution and mean of 6. PROBLEM #2 Three people (A, B, and C) need to cross a bridge. A can cross the bridge in 10 minutes, B can cross in 5 minutes, and C can cross in 2 minutes. There is also a bicycle available and any person can cross the bridge in 1 minute with the bicycle. What is the shortest time that all men can get across the bridge? Each man travels at his own constant rate Solution: 5 minutes. Congratulations to Suhas Joglekar and Muneeba Syed, who were the winner of the last set of puzzles.
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