Multiple Choice Questions on Four bells ring together If the bells ring at intervals of 2 5 8 and 10 second respectively after wh........... for Graduation cum Career Security Preparation

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Multiple Choice Questions

Four bells ring together If the bells ring at intervals of 2 5 8 and 10 second respectively after wh...........

Quantitative Aptitude (CCS) LCM, HCF
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    Four bells ring together. If the bells ring at intervals of 2, 5, 8 and 10 second respectively, after what interval of time (in second) will they ring together again?

    40

    Correct Answer

    25

    Incorrect Answer

    30

    Incorrect Answer

    35

    Incorrect Answer
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    Explanation:

    LCM = 2, 5, 8, 10 = 40 = 40seconds

    As they will ring together after 40seconds.

    Hence, option 1 is the correct answer.

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