30. A and B together can do a piece of work in 30 days. A - TopicsExpress



          

30. A and B together can do a piece of work in 30 days. A having worked for 16 days, B finishes the remaining work alone in 44 days. In how many days shall B finish the whole work alone? A. 30 days B. 40 days C. 60 days D. 70 days Answer & Explanation Answer: Option C Explanation: Let As 1 days work = x and Bs 1 days work = y. Then, x + y = 1 and 16x + 44y = 1. 30 Solving these two equations, we get: x = 1 and y = 1 60 60 Bs 1 days work = 1 . 60 Hence, B alone shall finish the whole work in 60 days.
Posted on: Tue, 22 Jul 2014 10:55:48 +0000

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