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Rohit can distribute all morning newspaper in 32/9 hours but with the assistance of his brother, the newspaper were distributed in 32/15 hours. In how many hours, his brother alone can distribute all morning newspaper?

Rohit can distribute all morning newspaper in 32/9 hours but with the assistance of his brother, the newspaper were distributed in 32/15 hours. In how many hours, his brother alone can distribute all morning newspaper? Correct Answer 16/3 hours

Let his brother can distribute all newspaper in x hours, in one hour he can distribute 1/x of all newspaper

∵ in one hour Rohit can distribute 9/32 of all newspapers

∴ in one hour Rohit and his brother together can distribute 9/32 + 1/x of all newspaper.

Now, 15/32 = 9/32 + 1/x

∴ x = 32/6 = 16/3 hours

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