C. 28
ExplanationStep 1: nCr is the formula for selection. Step 2: 8C2=8×7/(2×1)=28. Step 3: In selection order is not important.
Step 1: nCr selection के लिए formula है। Step 2: 8C2=8×7/(2×1)=28। Step 3: Selection में order important नहीं होता।
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