शब्द (ENGINEER) के अक्षरों की कुल भिन्न व्यवस्थाएं कितनी हैं?
What is the total number of distinct arrangements of the letters of (ENGINEER)?
Explanation opens after your attempt
Correct Answer
D. (3360)
Concept
Here (E) is repeated three times and (N) twice, so the count is (8!/(3!2!)). Always divide by repeated letters.
Why this answer is correct
The correct answer is D. (3360). Here (E) is repeated three times and (N) twice, so the count is (8!/(3!2!)). Always divide by repeated letters.
Exam Tip
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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