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.Management Sciences
Category: Time and Work Mcqs
B can work 3 times faster than A. They work together on a task and complete it in a day. How long does it take for B alone to complete the task?
A. 32 hours
B. 48 hours
C. 3 days
D. 4 days
(more…)
A and B can do a piece of work in 72 days; B and C can do it in 120 days; A and C can do it in 90 days. In what time can A alone do it ?
A. 80 days
B. 100 days
C. 120 days
D. 150 days
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