1.

A and B undertook a work for Rs. 350. A got Rs. 150 more than that of B, when they worked together. B takes 9 days more than A, when they work individually. In how many days A and B working together can do the whole work :

Answer»

5
`4 2/7`
`4 5/7`
`5 4/7`

ANSWER :B


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