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:_________?

Related Mcqs:

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...

If X and Y complete a certain work in 10 days, Y and Z in 16 days and X and Z in 22 days, find the time required for each one to complete the work while working separately.

A. 120, 40, 60 days B. 120, 60, 80 days C. 40, 30, 120 days D. 30, 40, 60 days...

A work can be finished in 16 days by twenty women. The same work can be finished in fifteen days by sixteen men. The ratio between the capacity of a man and a woman is_________?

A. 1:3 B. 4:3 C. 2:3 D. 2:1...

P is able to do a piece of work in 15 days and Q can do the same work in 20 days. If they can work together for 4 days, what is the fraction of work left?

A. 8/15 B. 7/15 C. 11/15 D. 2/11...

P, Q and R can do a work in 20, 30 and 60 days respectively. How many days does it need to complete the work if P does the work and he is assisted by Q and R on every third day?

A. 10 days B. 14 days C. 15 days D. 9 days...