Rathin & Bratin together can complete a piece of work in 12 days. They start the work together but Rathin had to leave 5 days before the work got over. As a result it took a total of 15 days to complete the work. How many days would it have taken Bratin to complete the work by himself?
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Step-by-step explanation:
RATHIN & BRATIN WORK IS COMPLATE 12 DAYS RATHIN LEAVE 5 DAY 15-5 =10
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