Permutation & Combination · Question 4 · Easy
How many 3-digit numbers can be formed from the digits 1, 2, 3, 4, 5 if no digit is repeated?
- 60
- 125
- 120
- 10
Answer and explanation
Answer: A. 60
Explanation: 5P3 = 5 × 4 × 3 = 60.
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