Multiple choice general knowledge math & puzzles

There's a toy boat floating in a pool. Place a lead ball in the boat (without sinking it), and measure the level of water in the pool. Now take the ball out of the toy boat and drop it into the pool, and measure the water's level again. Will there be diffrence in water level, if Yes, then which will be higher.

  1. Yes, when the ball is kept on toy boat

  2. Yes, when the ball is dropped in water

  3. No difference

  4. Cant say from the question
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

When the ball is in the boat, it displaces its weight in water. When dropped in, it only displaces its volume. Since lead is denser than water, its weight displaces more water than its volume does.

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