Multiple choice

A can do a piece of work in 10 days and B can do the same work in 14 days. How long will they take if both of them work together?

  1. 35/6 days

  2. 6/35 days

  3. 6 days

  4. 60/11 days

  5. 12 days

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

A's 1 day's work = 1/10th part of the whole work and  B's 1 day's work = 1/14th part of the whole work. Therefore, (A + B)'s one day's work = 1/10 + 1/14 = 6/35th part of the whole work. So, both will complete the work in 35/6 days. It is the correct answer.