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What is the number of distinct arrangements of the letters of (PROBABILITY)?शब्द (PROBABILITY) के अक्षरों से अलग-अलग व्यवस्थाओं की संख्या क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (1814400)(1814400)
There are (11) letters and (B,I) each repeat (2) times, so the count is (\frac{11!}{2!2!}). Count letter frequencies carefully in long words.कुल (11) अक्षर हैं और (B,I) प्रत्येक (2) बार आते हैं, इसलिए (\frac{11!}{2!2!}) है। बड़े शब्दों में अक्षर आवृत्ति सावधानी से गिनें।
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