Four bells ring at intervals of 4, 6, 8

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Target Exam

CUET

Subject

General Test

Chapter

Numerical Ability

Question:

Four bells ring at intervals of 4, 6, 8 & 14 seconds. They started ringing simultaneously at 12 noon. They will ring again simultaneously at:

Options:

12 : 02 : 02

12 : 02 : 48

12 : 20 : 20

12 : 20 : 48

Correct Answer:

12 : 02 : 48

Explanation:

LCM of 4, 6, 8, 14 = 168 sec = 2 min 48 sec.

Hence, bells will ring again at 12 : 02 : 48