Question
Write the number of numbers that can be formed using all for digits $1, 2, 3, 4.$
✓
Answer
Given digits are $1, 2, 3, 4$ Number of numbers formed by all four digits $= ^4P_4= 4 \times 3 \times 2 \times 1$
Required Numbars =$24$
Required Numbars =$24$
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