Latest TCS Aptitude Question SOLUTION: A snail, climbing a 20 feet high wall, climbs up 4 feet on the first day but slides down 2 feet on the second. It climbs 4 feet on the third day and slides down again 2 feet on the

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(#M40026222) TCS question Keep an EYE

A snail, climbing a 20 feet high wall, climbs up 4 feet on the first day but slides down 2 feet on the second. It climbs 4 feet on the third day and slides down again 2 feet on the fourth day. If this pattern continues, how many days will it take the snail to reach the top of the wall?

Asked In TCS litun (11 years ago)

Unsolved Read Solution (8)

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PARAG KAMRA  (11 years ago)

A snail climbing a 20 feet high wall, climbs up 4 feet on the first day but slides down 2 feet on the second and so on second day he climb only 2 feet and then same procedure go on consecutive days


in 2 days he climb up 2 feet
so in 16 day he will climb 16 feet,

but on 17th day he will climb 4 feet ,so he will get the destination,so snail will 17 days take the snail to reach the top of the wall

Is this solution Helpfull? Yes (58) | No   

LALIT MOHAN JOSHI  (11 years ago)

17th day it will on the top of the wall.
but also slide down 2 feet in 18th day

Is this solution Helpfull? Yes (6) | No (3)  

LALIT MOHAN JOSHI  (11 years ago)

In every 2 days snail climb up 2 feet (4 feet up and 2 feet down)
if it reach 16 feet with many up and down it will be 16th day
now in 17th day it climb up 4 feet which is equal to the height of the wall.

Is this solution Helpfull? Yes (4) | No (1)  

Krati Agarwal  (11 years ago)

17....

Is this solution Helpfull? Yes (2) | No (3)  

Rachna  (11 years ago)

17 days
as on 16th day it will climb upto 16 feet and on the next day it will be on the top of wall.....without sliding down

Is this solution Helpfull? Yes (1) | No   

srikanth degala  (11 years ago)

plz explain procedure

Is this solution Helpfull? Yes | No (4)  

Guru Pranav  (11 years ago)

It will take 17 days to climb the top of the wall !!!

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vijayainternet  (5 years ago)

answer is 17

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