Two persons A and B can complete a task in 10 days and 15 days, respec – McqOptions

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1.	Two persons A and B can complete a task in 10 days and 15 days, respectively. They work together and A leaves 5 days before the task is completed. The number of days taken to complete the whole task is:
A.	8
B.	9
C.	10
D.	12
Answer» C. 10

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