Question

A, B and C can do a piece of work in 12 days, 15 days and 10 days respectively. In what time will they all together finish it ?
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Answer 1

Answer:

x = 12. So, B takes (12/2) = 6 days to finish the work. 22. A and B can complete a work in 15 days and 10 days respectively.

Answer 2

Answer:

x = 12. So, B takes (12/2) = 6 days to finish the work. 22. A and B can complete a work in 15 days and 10 days respectively.

hope you understood