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Without repeating a digit, how many 3-digit numbers can be formed from 0, 1, 2, 3 and 4?

Competition practicePermutations & Combinations
  • A60
  • B48
  • C64
  • D100

Step-by-Step Solution

Hundreds place cannot be 0: 4 choices; then 4 and 3: . (60 wrongly allows a leading zero.)
Answer: B) 48

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