Multiple Choice Questions on The least number which is divisible by 12 15 20 and is a perfect square is ........ for HCS Exam Preparation

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Multiple Choice Questions

The least number which is divisible by 12 15 20 and is a perfect square is ........

Quantitative Aptitude (HCS) LCM, HCF
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    The least number which is divisible by 12, 15, 20 and is a perfect square, is

    400

    Incorrect Answer

    900

    Correct Answer

    1600

    Incorrect Answer

    3600

    Incorrect Answer
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    Explanation:

    LCM = 5 × 3 × 22 = 60
    To make this number as a perfect square,

    we have to multiply this number by 5 × 3
    The number is 60 × 15= 900
    Hence, option 2 is the correct answer.

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