A works twice as fast as B. If both of them can together finish a piece of work in 12 hours, then B alone can do it in

Question

Philoid · Accepted Answer

Work done by A in one hour: 2x

Work done by B in one hour: x

Number of days taken by A and B to do the work together: 12 hours

Work done by A and B together in one hour:

= 2x + x

= 3x

X =

Here X is Work done by B in one hour

B alone will take 36 hours to complete the work.