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How many distinct arrangements are possible for the word (COCO)?शब्द (COCO) के अलग-अलग arrangements कितने होंगे?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (6)(6)
(C) occurs twice and (O) occurs twice, so (\frac{4!}{2!2!}=6). Divide by both repeated letters.(C) दो बार और (O) दो बार हैं इसलिए (\frac{4!}{2!2!}=6)। दो repeated letters हों तो दोनों से भाग दें।
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