MBA
Exam
A
welder can finish job A and job C in 10 days and 20 days respectively. A
blacksmith can finish job B and job C in 15 days and 10 days
respectively. On the first day, two welders begin work on job A and a
day later three blacksmiths begin work on job B. What is the least time
required to complete all the three jobs? 1) 33/4 2) 37/4 3) 19/4 4) 37/5
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