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How many 3-digit even numbers can be formed from the digits 1 to 6 if no digit is repeated?

Competition practicePermutations & Combinations
  • A60
  • B120
  • C40
  • D108

Step-by-Step Solution

Units digit must be 2, 4 or 6: 3 ways. Then hundreds: 5 ways, tens: 4 ways. .
Answer: A) 60

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