Five digit numbers formed by using digits 0, 1, 2, 3 and 4 (when repitition of digits are not allowed) are:
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → 96
Step 1: First digit
- Cannot be 0 (otherwise it won’t be a 5-digit number).
- Choices = 1, 2, 3, 4 → 4 choices
Step 2: Remaining 4 digits
- Remaining 4 digits can be arranged in 4! = 24 ways
Step 3: Total numbers
$4 \times 24 = 96$