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05-26-2006, 10:18 AM
http://neerajsingh.bizhat
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Location: Bangalore-India
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Climbing Snail
A snail is at the bottom of a 20 meters deep pit. Every day the snail climbs 5 meters upwards, but at night it slides 4 meters back downwards.
The Question:
How many days does it take before the snail reaches the top of the pit?
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