DSSSB · Mathematics

Working alone, A can do a work in 30 days, B in 45 days, and C in 60 days. They work together for 10 days, after which C leaves. How many more days will A and B take to finish the remaining work?

  1. 5 days
  2. 6 days
  3. 8 days
  4. 10 days
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