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Multiple choice

A can complete a portion of a work in 8 days, while B can complete the equal portion of work in 12 days. If A and B work together, they can complete the work in 8 days. If B works for 10 days and then A joins in, how many days would it require for both of them to complete the work now?

  1. 10 days

  2. 1 day

  3. 4 days

  4. 5 days

Reveal answer Fill a bubble to check yourself
C Correct answer

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