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Basic Mathematics QUESTION #2901
Question 1
If $10$ men can do a job in $12$ days, how many days will $15$ men take?
  • 8 days✔️
  • 10 days
  • 15 days
  • 18 days
Correct Answer Explanation
Use $M_1D_1 = M_2D_2$. $10 \times 12 = 15 \times D_2 \implies 120 = 15D_2 \implies D_2 = 8$.