Multiple choice

A pipe fills ¾ part of a tank in 27 min. Then find in how many minute 2/3 part of the tank will be filled?

  1. 24

  2. 15

  3. 13

  4. 47

  5. 17
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

If 3/4 of a tank takes 27 min, then 1/4 takes 27/3 = 9 min. A full tank takes 9 * 4 = 36 min. 2/3 of the tank takes (2/3) * 36 = 24 min.

AI explanation

Using the unitary method, if 3/4 of the tank is filled in 27 minutes, dividing 27 by 3 shows that 1/4 of the tank is filled in 9 minutes. The time required to fill the entire tank is therefore 4 * 9 = 36 minutes. To find the time for 2/3 of the tank, multiply this total time by 2/3, yielding 36 * (2/3) = 24 minutes.

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