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What is the total number of distinct arrangements of the letters of (ENGINEER)?शब्द (ENGINEER) के अक्षरों की कुल भिन्न व्यवस्थाएं कितनी हैं?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (3360)(3360)
Here (E) is repeated three times and (N) twice, so the count is (8!/(3!2!)). Always divide by repeated letters.इसमें (E) तीन बार और (N) दो बार है, इसलिए संख्या (8!/(3!2!)) है। दोहराए अक्षरों से हमेशा भाग दें।
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