a and b can do a piece of work in 12 days, c and a in 20 days and b and c in 15 days then in many days then in how many days will they finish it working together

a and b can do a piece of work in 12 days, c and a in 20 days and b an

1.	a and b can do a piece of work in 12 days, c and a in 20 days and b and c in 15 days then in many days then in how many days will they finish it working together
Answer» 9 AANA CHAHIE mere hisab se baki AAP dekho

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a and b can do a piece of work in 12 days, c and a in 20 days and b and c in 15 days then in many days then in how many days will they finish it working together​

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a and b can do a piece of work in 12 days, c and a in 20 days and b and c in 15 days then in many days then in how many days will they finish it working together