" (侍.A can do a certain job in "12" days.B is "60%" more efficient than "A" .Find the number of days taken "

A can do a certain job in 12 days. B in 60% more efficient than A. What is the number of days it takes B to do the same piece of work ?

A can do a certain job in 12 days. B is 60% more efficient than A. To do the same job B alone would take?

X can do a piece of work in 25 days. Y is 25% more efficient than X. The number of days taken by Y is :

A can do a certain job in 12 days.B is 60% more efficient than A.how many days does B alone take to do the same job?

A can do a piece of work in 24 days. If B is 60% more efficient than A, then the number of days required by B to do the same piece of work is :

A can complete a piece of work in 12 days. B is 60% more efficient than A. The number of days, that B will take to complete the same work, is