Multiple choice

There are two beakers I and II filled with 100 ml of alcohol and 100 ml of water, respectively. First, 10 ml of water is poured from beaker II into beaker I. Then, 11 ml of mixture from beaker I is poured back into beaker II. Then, from this new mixture in beaker II, 1 ml is poured back into beaker I. Which of the following statements is true?

  1. There is more water in beaker I than alcohol in beaker II.

  2. There is more alcohol in beaker I than water in beaker II.

  3. Neither 1 nor 2

  4. Both 1 and 2

  5. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
AI explanation

When 10 ml of water is added to beaker I, it contains 100 ml of alcohol and 10 ml of water, so the 11 ml poured back contains exactly 10 ml of alcohol and 1 ml of water. Beaker II receives this mixture, leaving both beakers with an identical composition of 90 ml of alcohol and 10 ml of water. Since both beakers have exactly the same amount of their respective original substances, the amount of water in beaker I is equal to the amount of alcohol in beaker II, making neither comparative statement true.

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