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A boat has got lost in a river due to dense fog. The captain does know that the river is uniformly 7 kilometers wide; and flows in a straight line i.e. without any bends or turns. What is the minimum distance in kilometers in which the boat can be guaranteed to reach a river bank?

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#### Puzzle No. 24

*Posted on 10 June 2016*A boat has got lost in a river due to dense fog. The captain does know that the river is uniformly 7 kilometers wide; and flows in a straight line i.e. without any bends or turns. What is the minimum distance in kilometers in which the boat can be guaranteed to reach a river bank?

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Click to show/hide explanation