Two workers A and B working together completed a job in 5
days. If A worked twice as efficiently as he actually did and
B worked 1/3 as efficiently as he actually did, the work would
have completed in 3 days. Fine the time for A to complete
the job alone.

Options

A. 6(1/2)
B. 6(1/4)
C. 6(3/4)
D. 12(1/2)

Answer

B