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How many 3-digit numbers can be formed from the digits 0, 1, 2, 3, 4, 5 if no digit is repeated?

Competition practiceProbability & Permutation
  • A120
  • B216
  • C80
  • D100

Step-by-Step Solution

Hundreds place: 5 choices (not 0); then 5 and 4 for the other places: .
Answer: D) 100

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