5. A and B can do a piece of work in 10 days, B and C in 15 days and C and A in 12 days
In how many days can A, B and C finish it if they all work together? Also find the number
of days B will require to finish the work if he works alone.
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Answer:
A and B work finish in 10 days
and same ,
B and C work finish in 15 day
10+15= 25
C and A work finish in 12 day
25+12=37
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