Question

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. Find the time for A to complete the job alone.

A 6 (1/2) day
B 6 (1/4) day
C 6 (3/4) day
D 12 (1/2) day
E 7 (1/4) day
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