B. 6 / 6
ExplanationStep 1: In factorial multiply the number down to 1. Step 2: 3! = 3×2×1 = 6. Step 3: Remembering small factorials makes calculations faster.
Step 1: Factorial में number से 1 तक multiply करते हैं। Step 2: 3! = 3×2×1 = 6। Step 3: Small factorials को याद रखना calculations तेज करता है।
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