10 people can build a wall in 12 days. Six people, each only half as efficient as those in the first group, will be able to complete 3/5 of such a wall in:

10 people can build a wall in 12 days. Six people, each only half as e

1.	10 people can build a wall in 12 days. Six people, each only half as efficient as those in the first group, will be able to complete 3/5 of such a wall in:
A.	24 days
B.	25 days
C.	20 days
D.	18 days
Answer» B. 25 days

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10 people can build a wall in 12 days. Six people, each only half as efficient as those in the first group, will be able to complete 3/5 of such a wall in:

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