In a well of 20feet depth, a frog jumps 5feet up in the morning and comes 4feet down in the evening, on which day the frog gets out of the well.



In a well of 20feet depth, a frog jumps 5feet up in the morning and comes 4feet down in the evening,..

Answer / Vabhav Chandra Gaur

The frog will get out of the well on the fourth day. On the first day, the frog jumps 5 feet up and comes back down 4 feet at night, so it covers a distance of 1 foot (5 - 4). On each subsequent day, the frog follows the same pattern, jumping 1 foot up during the day and coming back down 1 foot at night. So, after three days, the frog will have climbed up a total of 3 feet, leaving it with only 17 feet left to climb in the well. On the fourth day, the frog climbs the remaining 17 feet and gets out of the well.

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