25 men can reap a field in 20 days. when should 15 men leave the work, – McqOptions

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1.	25 men can reap a field in 20 days. when should 15 men leave the work, if the whole field is to be reaped in 371/2 days after they leave the work ?
A.	After 5 days
B.	After 10 days
C.	After 9 days
D.	After 7 days
Answer» B. After 10 days

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