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AP EAMCET · Maths · Permutation Combination

The number of ways in which all the letters of the word COMBINATION can be arranged so that the vowels always come together is

  1. A 45678
  2. B 50400
  3. C 75600
  4. D 82300
Verified Solution

Answer & Solution

Correct Answer

(C) 75600

Step-by-step Solution

Detailed explanation

Vowels: O, I, A, I, O. Arrangements within block = \( \frac{5!}{2!2!} = \frac{120}{4} = 30 \) Units to arrange: C, M, B, N, T, N, (Vowels block). Total 7 units. N repeated 2 times. Arrangements = \( \frac{7!}{2!} = \frac{5040}{2} = 2520 \) Total ways =…