1

A and B can complete a piece of work in 30 days, B and C in 20 days, while C and A in 15 days. If all of them work together, the time taken in completing the work will be

Correct Answer: 40/3 days

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.