1

Three pipes A, B and C can fill a tank in 12, 15 and 20 hours respectively. How long will they take together?

Correct Answer: 4 hours

Make the most of this question

This page focuses on one Math question from English. After checking the answer, return to the topic list to practice more or run a timed set.

Math MCQ: Three pipes A, B and C can fill a tank in 12, 15 and 20 hours respectively. How long will they take together? | Extra Education