Number System · Question 12 · Hard

How many zeros are there at the end of 125! (125 factorial)?

  1. 31
  2. 25
  3. 30
  4. 32
Answer and explanation

Answer: A. 31

Explanation: Count factors of 5: 125/5 = 25, 125/25 = 5, 125/125 = 1. Total = 25 + 5 + 1 = 31 trailing zeros.

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