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Home Questions TYFFEFVUCU
Target Exam

CUET

Subject

General Test

Chapter

Numerical Ability

Question:

Five bells begin to toll together and toll respectively at intervals of 6, 7, 8, 9 & 12 seconds. After how many seconds they will toll together again:

Options:

504 sec

480 sec

486 sec

360 sec

Correct Answer:

504 sec

Explanation:

         6       7        8         9         12

Take LCM of these intervals:-

LCM = 504 

They will toll together again after 504 sec.

CUET Questions