A can do a piece of work in 60days working 14 hours B has the same efficiency as of A A and B starte...........

Quantitative Aptitude(IBPS RRB PO) Time and work

A can do a piece of work in 60days working 14 hours. B has the same efficiency as of A. A and B started working together. A works 5,6,7 and 8 hours respectively on first four days and repeats the cycle again. Then B has to work how many hours daily if they together completed the work in 80 days?

1 Hour