Question

6. Three bells toll at intervals of 16 seconds, 20 seconds and 24 seconds respectively. If they all toll together at 8 a.m., when will they all toll together again?
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Answer 1

Answer:

Firstly we will take the LCM (least common multiple) which is equal to 240 seconds. 240 seconds = 240/60 = 4 minutes.

Answer 2

Answer:

First find the LCM of 16 ,20, 40 =240

Then,

change the second into minutes =240/60=4 minutes

4minl; =8:04

Thank you.

Step-by-step explanation:

Firstly we will take the LCM (leastcommon multiple)

which is equal to 240seconds

.240 seconds = 240/60

= 4 minutes.