Four bells toll at intervals of 6, 13, 1

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Target Exam

CUET

Subject

General Test

Chapter

Numerical Ability

Topic

HCF and LCM

Question:

Four bells toll at intervals of 6, 13, 12 and 48 seconds respectively. In how much time will they ring together again?

Options:

625

600

642

624

Correct Answer:

624

Explanation:

Required Time = LCM of 6, 13, 12 and 48 = 624 seconds