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Puzzles answered by rk

1 vote
How long does it take to fill the water-cask with the three taps together?
answer Mar 3, 2014
1 vote
What is the probability that cat's wont collide?
answer Mar 3, 2014
-1 votes
How long does it take to fill the water-cask with the three taps together?
answer Mar 3, 2014
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