A can do piece of work in 30 days while B alone can do it in 40 days.
Question 1:
A can do piece of work in 30 days while B alone can do it in 40 days. In how many days can A and B working together do it?
A.16/17
B. 17/17
FeedbackTherefore A's one day’s work = 1/30 B' s one day’s work = 1/40 (A+B)'s one day’s work = 1/30+1/40 4+3/120=7/120 Number of days required for A and B to finish the work = 17/120=17 1/7days
C.18/17
D.19/17
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