शब्द (CODE) के अक्षरों से ऐसे कितने क्रम बनेंगे जिनमें अंतिम अक्षर (E) हो?
How many arrangements of the letters of (CODE) are possible if the last letter is (E)?
Explanation opens after your attempt
C. (6)
Concept
The last position is fixed and the remaining (3) letters can be arranged in (3!=6) ways. Separate the fixed position first.
Why this answer is correct
The correct answer is C. (6). The last position is fixed and the remaining (3) letters can be arranged in (3!=6) ways. Separate the fixed position first.
Exam Tip
अंतिम स्थान निश्चित है और शेष (3) अक्षर (3!=6) तरीकों से लगेंगे। fixed position को पहले अलग करें।
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