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How many arrangements of the letters of (EDUCATION) have all vowels together?शब्द (EDUCATION) के अक्षरों से कितनी व्यवस्थाएँ बनेंगी जिनमें सभी स्वर साथ-साथ रहें?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (120960)(120960)
Treat the (5) vowels as one block, giving (5!) outside arrangements and (5!) internal arrangements. When vowels are together, make one vowel block.(5) स्वरों को एक ब्लॉक मानें, फिर (5!) बाहरी और (5!) आंतरिक व्यवस्थाएँ मिलती हैं। स्वर साथ हों तो पूरे स्वर-समूह को एक इकाई बनाएं।
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