A and B together can complete a piece of work in 10 days, B and C together can complete the work in 15 days, C and A together can do it in 12 days. How long will they take to finish the work working together and separately?
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A and B together can complete a piece of work in 10 days, B and C together can complete the work in 15 days, C and A together can do it in 12 days. How long will they take to finish the work working together and separately?
answer is formula for that
A × B × C / AB + BC + AC
10 × 15 × 12 / 150 + 180 + 120
= 10 × 15 × 12/450
= BY DOING CANCELLATION WE GET ANS ( 4 DAYS)
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