Question

A tortoise fell into a hole of 20m. it struggles to get out from the hole. It
climbs 5 m in 1 hour and drops 4 m. How many hours will it takes to
climb the 20m hole?​

Answer 1

Answer:

The answer is 20 hrs

Step-by-step explanation:

It climbs 5m and drops 4m in 1 hour thus it only climbs 1m in 1 hour. Thus it will take 20hrs to get out of the 20m hole.

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Answer 2

Step-by-step explanation:

It climbs 5 meter and drops 4 meter in 1 hr. That means it climbs 1 meter per hr. Till 15th hr it will climb 15 meters but at 16th hr it will climb 5 meters and get out of the hole. So in total tortoise will take 16 hrs to climb the hole.