Aman and Ajay can build a wall in 9 days and 12 days respectively. In how many days can they finish the work if they work together?

Aman and Ajay can build a wall in 9 days and 12 days respectively. In

1.	Aman and Ajay can build a wall in 9 days and 12 days respectively. In how many days can they finish the work if they work together?
A.	\(5\frac{1}{7}\)
B.	\(11\frac{1}{2}\)
C.	2
D.	7
Answer» B. \(11\frac{1}{2}\)

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Aman and Ajay can build a wall in 9 days and 12 days respectively. In how many days can they finish the work if they work together?

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