Question

A ship anchored in a port has a ladder which hangs over the side. The length of the ladder is 200cm, the distance between each rung in 20cm and the bottom rung touches the water. The tide rises at a rate of 10cm an hour. When will the water reach the fifth rung?

Answer 1

Answer:

it reach after 10 hour the rate of wave is 10 centimetre per hour so every hour + 10 cm

and the length of each rung is 20 cm

so ans is 5*20=100cm

Answer 2

Answer:

The tide raises both the water and the boat so the water will never reach the fifth rung.

☯︎Never☯︎