3 bells toll at regular intervals of 15 minutes, 16 minutes and 36 minutes respectively. Given that they toll together at 2:00 p.m. , at what time will they next toll together?
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2
Answer:
2:00 a.m.
Step-by-step explanation:
LCM of 15,16 and 36 is 720
720 minutes/60 minutes=12 hours
2:00 p.m.+ 12 hours= 2:00 a.m.
Answered by
1
Answer:
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Here is the answer
Step-by-step explanation:
intervals of their ringing = 15 , 16 & 36 minutes respectively
L.C.M. of 15 , 16 , 36 = 4*4*3*3*5 = 16*5*9
= 80*9 = 720 minutes = 720/60 hours = 12 hours
Last time they rang together = 2:00 p.m. = 14:00 hours
Next time they will ring together = (14+12-24) hours the next day = 2:00 hours the next day
= 2:00 a.m. the next day.
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