A can complete one-third of a work in 5 days and B can complete 40% of
the work in 10 days. In how many days both A and B together can complete
the work
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Answer:
9 3/8
Step-by-step explanation:
A can complete whole work alone = 3 × 5 = 15 days
B( 40% = 2/5) = 10 days
B alone (whole work) = 5×10/2 = 25 days
T.W = LcM(15,25) = 75 units ,A = 5 u/d ,B = 3 u/d
together(A+B) = 75/8 = 9 3/8 days
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