Multiple Choice Questions

A and B can together do a piece of work in 6 days and A alone can do it in 9 days The number of days...........

Quantitative Aptitude (IB) Time and work

A and B can together do a piece of work in 6 days and A alone can do it in 9 days. The number of days B will take to do it alone is ?

Efficiency of, A + B = 3
A = 2
Efficiency of, B = 1
B will take = 18/1 = 18 days

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