engineering mathematics MCQ #4019

The number of 3-digit numbers that can be formed using the digits 1, 2, 3, 4, 5 without repetition is

engineering mathematics MCQ #4019

  1. Question 1

    Q1. The number of 3-digit numbers that can be formed using the digits 1, 2, 3, 4, 5 without repetition is

    • A) 5P3
    • B) 5C3 * 3!
    • C) 5 * 4 * 3
    • D) All of the above

    Answer: All of the above

    Explanation: All options represent the same value: 5P3 = 5C3 * 3! = 5 * 4 * 3 = 60.