1.

In How Many Ways Letters Of World "leading" Can Be Arranged, So That Vowels Always Come Together ?

Answer»

LEADING word can be WRITTEN as "L" "E" "A" "D" "I" "N" "G"

Taking vowels together = E A I, so vowels can be arranged as= !3 ways and lets Vowels be a UNIT X

So X L D N G, It can be arranged in = !5 Ways 

So complete word can be written in= !3 *! 5 = 720 ways

LEADING word can be written as "L" "E" "A" "D" "I" "N" "G"

Taking vowels together = E A I, so vowels can be arranged as= !3 ways and lets Vowels be a unit X

So X L D N G, It can be arranged in = !5 Ways 

So complete word can be written in= !3 *! 5 = 720 ways



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