शब्द (ENGINEER) की व्यवस्थाओं में सभी स्वर साथ हों, ऐसी कितनी भिन्न व्यवस्थाएं हैं?
In arrangements of (ENGINEER), how many distinct arrangements have all vowels together?
Explanation opens after your attempt
Correct Answer
B. (240)
Concept
Inside the vowel block there are (4!/3!) arrangements, and outside there are (5!/2!) arrangements. Handle repetition and blocks together.
Why this answer is correct
The correct answer is B. (240). Inside the vowel block there are (4!/3!) arrangements, and outside there are (5!/2!) arrangements. Handle repetition and blocks together.
Exam Tip
स्वर-खंड के भीतर (4!/3!) और बाहर (5!/2!) व्यवस्थाएं होंगी। दोहराव और खंड दोनों को साथ संभालें।
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