CSAT: 4-Digit Numbers Permutations Quiz

Question

How many 4-digit numbers can be formed using digits 1, 2, 3, 4, 5 (no repetition)?

Accepted Answer

We have 5 digits: 1, 2, 3, 4, 5 We need to form 4-digit numbers without repetition. Step 1: Use permutation (since order matters). Number of ways = 5P4 Step 2: Apply shortcut multiplication. 5P4 = 5 × 4 × 3 × 2 Step 3: Calculate. 5 × 4 × 3 × 2 = 120

Answer

60

Answer

120

Answer

240

Answer

360

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✅ Answer

Question

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Explanation

⚡ Solution

✅ Answer