How many words can be formed using the letters of the word EQUATION in which vowels…
Mathematics · JEE Main · NTA Exams — Permutations and Combinations
How many words can be formed using the letters of the word EQUATION in which vowels occupy the 1st, 3rd, 4th, 6th & 7th positions?
- 620
- 120
- 720
- None of these
Answer
(B) 120
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