[PPSC Deputy District Attorney 2022]

1. A snail is at the bottom of a 30 foot well. Every hour the snail is able to climb up 3 feet. Then it has to stop for rest for one hour, during which it slides back down 2 feet. How many hours will it take for the snail to get out of the well?

1. 60

2. 54

3. 58

4. 55

Correct Answer :

55