Multiple choice

Directions: The following problem has a question and two statements labelled (1) and (2). You have to decide whether the statements are sufficient to answer the question. Mark your answer as

Two different holes: hole A and hole B are put in the bottom of a full water tank. If the water drains out through the holes, in how much time will the tank be empty? (1) If only hole A is put in the bottom, the tank will be empty in 24 minutes. (2) If only hole B is put in the bottom, the tank will be empty in 42 minutes.

  1. if you can get the answer from (1) alone, but not from (2) alone

  2. if you can get the answer from (2) alone, but not from (1) alone

  3. if you can get the answer from (1) and (2) together, although neither statement by itself suffices

  4. if (1) alone suffices and (2) alone suffices

  5. if you cannot get the answer from (1) and (2) together, and need even more data

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Correct option is (3).

Keep practicing — related questions