Multiple Choice Questions on In how many ways can the letters of the word ldquo STRANGE rdquo be arranged so that the vowels may ........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

In how many ways can the letters of the word ldquo STRANGE rdquo be arranged so that the vowels may ...........

Quantitative Aptitude ( CCS) Permutation & Combination
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    In how many ways can the letters of the word “STRANGE” be arranged so that the vowels may appear in the odd places.

    1640

    Incorrect Answer

    1440

    Correct Answer

    1740

    Incorrect Answer

    1840

    Incorrect Answer
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    Explanation:

    Out of the 5 consonants, choose 3 to arrange as : _X_X_X_ (5P3) 
    where 'X' is a consonant, and '_' is the space between two consonants. 
    Put the 2 vowels and the rest 2 consonants into the 4 "_". (4P4) 
    = 5P3 × 4P4 
    = (5 × 4× 3) × 4! 
    = 1440

    By: MIRZA SADDAM HUSSAIN
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