Question

5. A and B can finish a job in 8 days. B and C
can finish the same job in 10 days while A and
C in 15 days. A, B and C together can finish
the same job in-
(a) 5.5 days
(b) 48/7 days
(c) 30/7 days
(d) 25/8 days​

Answer 1

Answer:

25/8

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