How many words can be formed from the letters of the word "SIGNATURE" so that vowels always come together. Answers:
A) 17280 B) 4320 C) 720 D) 80 E) None of thsee
Explanation:   word SIGNATURE contains total 9 letters.   There are four vowels in this word, I, A, U and E   Make it as, SGNTR(IAUE), consider all vowels as 1 letter for now   So total letter are 6.   6 letters can be arranged in 6! ways = 720 ways   Vowels can be arranged in themselves in 4! ways = 24 ways   Required number of ways = 720*24= 
<gadget id="calculator">720*24</gadget>
<output>17_280</output>
17280   Option 17280
<result>A</result>
How many words can be formed from the letters of the word "SIGNATURE" so that vowels always come together.