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How many days will it take the snail to get out of the tunnel?

+1 vote
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A tunnel is 12metres deep and a snail is at the bottom of the tunnel.
Everyday, it climbs a height of 600cm but at night,
it slides down a depth of 400cm.
How many days will it take the snail to get out of the tunnel?

posted Jul 13, 2018 by Nimish

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1 Answer

0 votes

Assuming the snail started climbing on a day instead of night.
Everyday the snail climbs effectively 200 cm.

So until it reaches 1200 - 600 = 600 cm it will only climb 200 cm per day. This means it will take 3 days and nights to reach 600cm and on
The 4th day it will reach the top.

answer Jul 13, 2018 by Tejas Naik



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