C. 11 / 11
ExplanationStep 1: nC1 means choosing 1 object from n objects. Step 2: 11C1 = 11. Step 3: nC1 is always equal to n.
Step 1: nC1 का मतलब n objects में से 1 चुनना है। Step 2: 11C1 = 11 होता है। Step 3: nC1 हमेशा n के बराबर होता है।
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