Show
Calculation: EXTRA → Total number of words = 5 and total number of vowels = 2 The word EXTRA can be arranged in 5! ways = 120 ways The word EXTRA can be arranged in such a way that the vowels will be together = 4! × 2! ⇒ (4 × 3 × 2 × 1) × (2 × 1) ⇒ 48 ways The letters of the words EXTRA be arranged so that the vowels are never together = (120 - 48) = 72 ways. ∴ The letters of the words EXTRA be arranged so that the vowels are never together in 72 ways. India’s #1 Learning Platform Start Complete Exam Preparation
Video Lessons & PDF Notes Trusted by 3,12,54,340+ Students
Exercise :: Permutation and Combination - General Questions
Page 2
Exercise :: Permutation and Combination - General Questions
Discussion :: Permutation and Combination - General Questions (Q.No.2)
|