Multiple Choice Questions on The number of ways in which the letters of the word lsquo STRANGE rsquo can be arranged so that the ........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

The number of ways in which the letters of the word lsquo STRANGE rsquo can be arranged so that the ...........

Quantitative Aptitude ( CCS) Permutation & Combination
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    The number of ways in which the letters of the word ‘STRANGE’ can be arranged so that the vowels may appear in the odd places is

    1,440

    Correct Answer

    1,470

    Incorrect Answer

    1,370

    Incorrect Answer

    none of these

    Incorrect Answer
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    Explanation:

    Selecting 4 odd positions and arranging a and e among them in 4C2 X 2! ways
    For each such way, the rest of the alphabets can be arranged in 5! ways
    Thus, the total no.of ways = 4C2 X 2! X 5! = 1440

    By: MIRZA SADDAM HUSSAIN
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