Question

Four bells ring at intervals of 8,10,12 and 14 minutes respectively. At what time will they again ring together if they rang together at 7 a.m.​

Answer 1

Answer:

9:00 pm

Step-by-step explanation:

to find when they will ring together we will first find lcm

of 8,10,12 and 14

= 840

so they will ring together after 840 min which is equal to 14 hours

7 am +14 hours = 9:00 pm

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Answer 2

Answer:

I think so by taking of out the HCF of all min. and adding the

Step-by-step explanation:

we get answer 840 min and by dividing it by 60 min. we get 14 hours so bell rang at 9p.m