Multiple choice

A and B can complete a piece of work together in 30/11 days. A alone can do the work in 6 days, B alone can do the same work in

  1. 1/6 days

  2. 1/5 days

  3. 5 days

  4. 6 days

  5. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

(A + B)'s 1 day work = 11/30 A's 1 day work = 1/6 Therefore, B's 1 day work = 11/30 - 1/6 = 6/30 = 1/5 Therefore, B alone can do the same work in = 5 days

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