The following question has three statements. Study the question and the statements and decide which of the statement(s) is necessary to answer the question. An 8-letter word has no repetitive letter. Find the number of vowels in the word. I) No. of ways in which the consonants can be arranged is 720. II) No. of ways in which the vowels can be arranged is 2. III) 10080 different words can be formed keeping the vowels together.
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