Brij can paint a wall alone in 7.2 days while Madhu would need 10.8 days to do the same job. If they work together how many days will they take to paint five-sixth of the wall?

Brij can paint a wall alone in 7.2 days while Madhu would need 10.8 da

1.	Brij can paint a wall alone in 7.2 days while Madhu would need 10.8 days to do the same job. If they work together how many days will they take to paint five-sixth of the wall?
A.	3.6
B.	3.9
C.	4.2
D.	4.8
Answer» B. 3.9

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Brij can paint a wall alone in 7.2 days while Madhu would need 10.8 days to do the same job. If they work together how many days will they take to paint five-sixth of the wall?

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