document.write( "Question 32283: How many 26-letter arrangemenst of the alphabet have no two vowels together? \n" ); document.write( "
Algebra.Com's Answer #18826 by venugopalramana(3286) You can put this solution on YOUR website! PLACE 21 CONSONANTS FIRST..THESE CAN BE ARRANGED IN \n" ); document.write( "21P21 WAYS=21!WAYS \n" ); document.write( "THEY HAVE 20 INTERSPACES AND 2 OUTER SPACES,WHERE WE CAN KEEP THE OWELS SO THAT THEY NEVER COME TOGETHER AND ALWAYS SEPERATED BY A CONSONANT. \n" ); document.write( "IN 22 SPACES , 5 VOWELS CAN BE ARRANGED IN 22P5 WAYS=22!/(22-5)!=21!/17! \n" ); document.write( "SO TOTAL NUMBER OF ARRANGEMENTS = 21!*22!/17! \n" ); document.write( " |