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In a hospital there are enough injections sufficient for 15 days. Originally there were 80 patients but 40 more patients appeared. How many days these injections will be sufficient for now?

Correct answer: A. 10

  • A. 10
  • B. 15
  • C. 16
  • D. 12

Explanation

The injections represent 80 patients x 15 days = 1200 patient-days. With 80 + 40 = 120 patients, they last 1200 ÷ 120 = 10 days. The likely mistaken answer is 15 days, which uses the original patient count and ignores the 40 additional patients.

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