Ratul and Praful together can complete a task in 18 days. They start t – McqOptions

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1.	Ratul and Praful together can complete a task in 18 days. They start the task together, but Ratul had to leave 7 days before the work got over. As a result it took a total of 23 days to complete the task. How many days would it have taken Pratul to complete the work by himself?
A.	63
B.	51
C.	72
D.	54
Answer» B. 51

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