8. A and B can do a piece of work in72 days. B and C do it in 120 days

1.	8. A and B can do a piece of work in72 days. B and C do it in 120 days,A and C can do it in 90 days. Inhow many days all the threetogether can do the work?(1) 80 days (2) 100 days(3) 60 days (4) 150 days
Answer» ANSWER: I THINK 100 days a b C can complete there WORK.....

8. A and B can do a piece of work in72 days. B and C do it in 120 days,A and C can do it in 90 days. Inhow many days all the threetogether can do the work?(1) 80 days (2) 100 days(3) 60 days (4) 150 days

Answer»

ANSWER:

I THINK 100 days a b C can complete

there WORK.....

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8. A and B can do a piece of work in72 days. B and C do it in 120 days,A and C can do it in 90 days. Inhow many days all the threetogether can do the work?(1) 80 days (2) 100 days(3) 60 days (4) 150 days​

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8. A and B can do a piece of work in72 days. B and C do it in 120 days,A and C can do it in 90 days. Inhow many days all the threetogether can do the work?(1) 80 days (2) 100 days(3) 60 days (4) 150 days