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The Number of Ways in Which the Letters of the Word 'Constant' Can Be Arranged Without Changing the Relative Positions of the Vowels and Consonants Is, 360,256,444,None of These. - Mathematics

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MCQ

The number of ways in which the letters of the word 'CONSTANT' can be arranged without changing the relative positions of the vowels and consonants is

Options

  • 360

  • 256

  • 444

  • none of these.

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Solution

360
The word CONSTANT consists of two vowels that are placed at the 2nd and 6th position, and six consonants.
The two vowels can  be arranged at their respective places, i.e. 2nd and 6th place, in 2! ways.
The remaining 6 consonants can be arranged at their respective places in \[\frac{6!}{2!2!}\]ways.

∴ Total number of arrangements =\[2! \times \frac{6!}{2!2!}\]

Concept: Permutations
  Is there an error in this question or solution?

APPEARS IN

RD Sharma Class 11 Mathematics Textbook
Chapter 16 Permutations
Q 9 | Page 46

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