Five digit numbers formed by using digits 0, 1, 2, 3 and 4 (when repitition of digits are not allowed) are:

96

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

$4 \times 24 = 96$