Question

5. A and B together can do a piece of work in 12 days. B and C can do it in 20 days while C and A can do it in
15 days. A,B and C all working together can do it in:​

Answer 1

Answer:

1O

STEP BY STEP EXPLANATION :

PLZ SEE THE ABOVE PICTURE

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Answer 2

Answer:

refer to attachment..........