Multiple choice general knowledge science & technology

A boat has a ladder that has six rungs; each rung is one foot apart. The bottom rung is one foot from the water. The tide rises at 12 inches every 15 minutes. High tide peaks in one hour. When the tide is at its highest, how many rungs are under water?

  1. 6

  2. 4

  3. three

  4. 0
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The boat rises with the tide. Since the ladder is attached to the boat, all rungs maintain their position relative to the water. If the bottom rung was 1 foot from water initially, it remains 1 foot from water at high tide.

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