Question

A and B started working together, but after some days, A left. The work was completed in 9 days. After how many days did A leave if A and B completed the work in 10 and 15 days, respectively?

Answer 1

Answer:

1 or 6 days........

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Answer 2

Answer:

A 10 Days B 15 Days LCM is 30 and then 3 and 2 part of A and B.

A+B

12/3 , 9×2

4 Days, 18