LCM, HCF

Quantitative Aptitude (HP Allied)

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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?

Explanation:

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

As they will ring together after 40seconds.

Hence, option 1 is the correct answer.

By: Amit Kumar

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