21 workers can repair a road in 40 days. If they are joined by 7 more workers, then in how much time (in days) the road can be repaired?

21 workers can repair a road in 40 days. If they are joined by 7 more

1.	21 workers can repair a road in 40 days. If they are joined by 7 more workers, then in how much time (in days) the road can be repaired?
A.	27
B.	28
C.	30
D.	32
Answer» D. 32

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21 workers can repair a road in 40 days. If they are joined by 7 more workers, then in how much time (in days) the road can be repaired?

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