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A contractor estimated that his 10-man crew could complete the construction in 110 days if there was no rain. (Assume the crew does not work on any rainy day and rain is the only factor that can deter the crew from working). However, on the 61-st day, after 5 days of rain, he hired 6 more people and finished the project early. If the job was done in 100 days, how many days after day 60 had rain?
A. 4
B. 5
C. 6
D. 7
E. 8
Answer: B
Source: GMAT Club Tests
A. 4
B. 5
C. 6
D. 7
E. 8
Answer: B
Source: GMAT Club Tests
