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Forum » Pinoy Big Thinkers General Discussion » Brain Teasers for Big Thinkers » Snail On The Wall, Math
Snail On The Wall, Math
pinoybigthinkerDate: Friday, 2009-01-23, 3:15 PM | Message # 1
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A snail creeps 6 ft up a wall during the daytime. After all the labor it does throughout the day, it stops to rest a while... but falls asleep!! The next morning it wakes up and discovers that it has slipped down 2 ft while sleeping.

If this happens every day, how many days will the snail take to reach the top of a wall 30 ft in height?

 
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