A and B can do a piece of work in 12 days. B and C can do it the same work in 20

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✪ Choose the correct option.

A and B can do a piece of work in 12 days. B and C can do it the same work in 20 days. In how many days will A, B and C finishes it working all together? Also, find the number of days taken by each to finish it working alone?

Together=10 days, A=20 days, B=30 days, C=60 days
Together=10 days, A=30 days, B=20 days, C=60 days
Together=15 days, A=300 days, B=20 days, C=60 days
Together=20 days, A=20 days, B=30 days, C=50 days

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