A and B working separately can do a piece of work in 9 and 12 days respectively. If they work for a day alternately. If A begins first, in how many days the work will be completed ? | MCQ Hive

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Q A and B working separately can do a piece of work in 9 and 12 days respectively. If they work for a day alternately. If A begins first, in how many days the work will be completed ?

A A. 42/4 days
B B. 41/4 days
C C. 55 days
D D. None of these

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