issb mathematics MCQ #342

Pipe A fills tank in 4 h, B in 8 h. Together?

issb mathematics MCQ #342

  1. Question 1

    Q1. Pipe A fills tank in 4 h, B in 8 h. Together?

    • A) 2 h 40 min
    • B) 3 h
    • C) 2 h
    • D) 5 h

    Answer: 2 h 40 min

    Explanation: Combined rate 1/4 plus 1/8 equals 3/8 so time is 8/3 hours.