C. 120 / 120
ExplanationStep 1: nPr is the formula for arrangement. Step 2: 6P3=6×5×4=120. Step 3: Use permutation when order is important.
Step 1: nPr arrangement के लिए formula है। Step 2: 6P3=6×5×4=120। Step 3: Order important हो तो permutation use करें।
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