Multiple Choice Questions on The least perfect square number which is divisible by 3 4 5 6 and 8 is ........ for PCS Exam Preparation

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Multiple Choice Questions

The least perfect square number which is divisible by 3 4 5 6 and 8 is ........

Quantitative Aptitude (PCS) LCM, HCF
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    The least perfect square number which is divisible by 3,4,5,6 and 8 is

    900

    Incorrect Answer

    1200

    Incorrect Answer

    2500

    Incorrect Answer

    3600

    Correct Answer
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    Explanation:

    LCM = 2×2×2×3×5=23×3×5
    But the least perfect square is

    = 23×3×5×(2×3×5)=24×32×52=3600

     as the perfect squares have their powers even.
    Hence, option 4 is the correct answer.
     

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