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How many arrangements of the letters of (CODE) are possible if the last letter is (E)?शब्द (CODE) के अक्षरों से ऐसे कितने क्रम बनेंगे जिनमें अंतिम अक्षर (E) हो?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (6)(6)
The last position is fixed and the remaining (3) letters can be arranged in (3!=6) ways. Separate the fixed position first.अंतिम स्थान निश्चित है और शेष (3) अक्षर (3!=6) तरीकों से लगेंगे। fixed position को पहले अलग करें।
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