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In a question of a test paper, there are five items each under List-A and List-B. The examinees are required to match each item under List-A with its corresponding correct item under List-B. Further, it is given that 1. No examinee has given the correct answer 2. Answers of no two examinees are identical What is the maximum number of examinees who took this test?

  1. (a)24
  2. (b)26
  3. (c)19
  4. (d)129
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Official answer(c) 19