Question

A and b can complete a piece of work in 12 days and 18 days respectively. A begins to do the work and they work alternately one at a time for one day each. The whole work will be completed in? Select one:

a. None of these

b. 7.2 days

c. 14.2 days

d. 15 days

Answer 1

Answer:

ans .. a none of these,,,,, 14 (1/3) days

Step-by-step explanation:

hope. it's help.