A certain number of persons can finish a piece of work in 100 days. If – McqOptions

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1.	A certain number of persons can finish a piece of work in 100 days. If there were 10 persons less, it would take 10 more days to finish the work. How many persons were there originally?
A.	90
B.	100
C.	110
D.	120
Answer» D. 120

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