Multiple choice general knowledge math & puzzles

A painting job can be completed by 5 painters in 13 days. If 5 more painters join the team 3 days after starting work on the job, then how many more days are required to complete the job?

  1. 2

  2. 4

  3. 5

  4. 3
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Total work = 5 painters × 13 days = 65 painter-days. After 3 days, work completed = 5 × 3 = 15 painter-days. Remaining work = 65 - 15 = 50 painter-days. With 10 painters (5 original + 5 new), days needed = 50/10 = 5 more days to finish the job.

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