A can do a certain job in 12 days. B is 60% more efficient than A. The number of days it takes for B to do the same piece of work, is:_________? | MCQ Hive

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Q A can do a certain job in 12 days. B is 60% more efficient than A. The number of days it takes for B to do the same piece of work, is:_________?

A A. 12/6 days
B B. 15/2 days
C C. 23 days
D D. 34 days

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