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1). 14002). 10403). 21604). 720 |
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Answer» In the word LUCKNOW, we TREAT the VOWELS UO as one letter. Thus we have, LCKNW (UO) total 6 LETTERS. There is no repetition of letters. ∴ Number of ways to ARRANGE these letters = 6! = 720 Now, the 2 vowels can be arranged is = 2! = 2 ways ∴ Total no. of arrangements = 720 × 2 = 1440 ways |
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