Multiple Choice Questions on Find the number of 5 digits number that can be formed by using digits 1 2 3 4 5 6 7 8 9 such that re........... for CDS Exam Preparation

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Multiple Choice Questions

Find the number of 5 digits number that can be formed by using digits 1 2 3 4 5 6 7 8 9 such that re...........

Quantitative Aptitude (CDS) Permutation & Combination
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    Find the number of 5 digits number that can be formed by using digits 1,2,3,4,5,6,7,8,9 such that repetition of the digit is not allowed.

    2225

    Incorrect Answer

    2525

    Incorrect Answer

    2530

    Incorrect Answer

    2520

    Correct Answer
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    Explanation:

    no. of 5 digits  number   =  7×6×5 ×4  ×3    
     =2520

    By: bhavesh kumar singh
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