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Secondary 1 | Maths
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Xeno
Xeno

Secondary 1 chevron_right Maths chevron_right Singapore

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Date Posted: 3 years ago
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WT Cheng
Wt Cheng's answer
97 answers (Tutor Details)
1st
Hi Xeno, from above we obtain LCM of 30, 35 & 60 = 420.

420 minutes = 7 hours
Therefore, all the bells will next ring at
14 45.