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Logical Reasoning
General Mental Ability
An elephant fell into a well of depth 20mts. Everyday it climbs 4 mts but at the end falls by 2 mts. Find the number of days it would take for the elephant to get out of the well ?
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- Since it climbs 4 mts and falls by 2 mts everyday, effectively it climbs 2 mts everyday. In 8 days it climbs 16mts. Then on 9th day it climbs by 4 mts and can get out without having to fall back. Hence it takes 9 days for the elephant to be safe.
ANS 9 - 12 years agoHelpfull: Yes(25) No(0)
- Every day it climbs 4 mts but at the end falls by 2 mts
so it climbs 2mts for day
so it takes 10days - 5 years agoHelpfull: Yes(0) No(2)
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