(4) स्वरों और (6) व्यंजनों से (6) अक्षरों की कितनी श्रेणियाँ बनेंगी यदि पुनरावृत्ति मान्य हो, ठीक (2) स्वर हों और कोई दो स्वर साथ-साथ न हों?
Using (4) vowels and (6) consonants, how many strings of (6) letters can be formed if repetition is allowed, exactly (2) vowels are used, and no two vowels are adjacent?
Explanation opens after your attempt
Correct Answer
C. (207360)
Concept
First choose (2) non-adjacent vowel positions among (6), then fill vowels and consonants. With repetition allowed, each chosen position keeps the same number of choices.
Why this answer is correct
The correct answer is C. (207360). First choose (2) non-adjacent vowel positions among (6), then fill vowels and consonants. With repetition allowed, each chosen position keeps the same number of choices.
Exam Tip
पहले (6) स्थानों में (2) गैर-लगातार स्वर-स्थान चुनें, फिर स्वर और व्यंजन भरें। पुनरावृत्ति हो तो हर चुने स्थान पर विकल्प समान रहते हैं।
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