find the total arrangement of word 'ALLAHABAD' such that vowels do not come together?
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ALLAHABAD
Vowels: A, A, A, A (Should come together as a single pack)
Consonants: L, L, H, B, D
Step1:
Find starting position for Vowels pack. It could be from positions 1 to 6.
# of ways of selecting starting position for pack of vowels = 6 ways
Step 2:
Rearrangements within pack of vowels = 1 way (All ‘A’ s - so no distinction of order)
Step 3: Arrangement of consonants in remaining 5 positions.
# of ways of doing this = 5!/2! = 60 ways
Total desired combinations = 6 * 1 * 60 = 360 ways
Harshii47:
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there arr exactly 360 ways and we can find it using the combination method
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