164. Find the number of ways of arranging the letters of the word “MATERIAL” such that all the vowels in the word are to come together? September 23, 2025 by Admin A. 720 B. 1440 C. 1860 D. 2160 ✅ The correct answer is option B. 1440. In the word, “MATERIAL” there are three vowels A, I, E.
