शब्द (ARRANGEMENT) की व्यवस्थाओं में कोई दो स्वर साथ न हों, ऐसी कितनी भिन्न व्यवस्थाएं हैं?
In arrangements of (ARRANGEMENT), how many distinct arrangements have no two vowels adjacent?
Explanation opens after your attempt
Correct Answer
C. (529200)
Concept
Arrange consonants in (7!/(2!2!)) ways, then choose (4) of the (8) gaps and arrange vowels in (4!/(2!2!)) ways. Use the gap method for non-adjacent vowels.
Why this answer is correct
The correct answer is C. (529200). Arrange consonants in (7!/(2!2!)) ways, then choose (4) of the (8) gaps and arrange vowels in (4!/(2!2!)) ways. Use the gap method for non-adjacent vowels.
Exam Tip
पहले व्यंजन (7!/(2!2!)) तरीकों से रखें, फिर (8) अंतरालों में (4) स्वर चुनकर (4!/(2!2!)) तरीकों से सजाएं। न-साथ स्वर में अंतराल विधि लगाएं।
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