Multiple choice

A cistern of dimensions 2.4 yards × 2.0 yards × 1.5 yards takes 2 hrs. 24 min. to get filled with water. The rate at which water flows into the cistern is

  1. 2332.8 cubic inches/min

  2. 194.4 cubic feet/hr

  3. 7.2 cubic yards/hr

  4. 17.28 cubic yards/hr

  5. 233.2 cubic yards/hr

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

Volume = 2.4 * 2.0 * 1.5 = 7.2 cubic yards. 7.2 cubic yards = 7.2 * 46656 cubic inches = 335923.2 cubic inches. Time = 2 hrs 24 min = 144 minutes. Rate = 335923.2 / 144 = 2332.8 cubic inches/min.