Four bells ring with intervals of 6, 9, 12 and 15 seconds respectively. All the four bells ring together at 3.00 P.M. At what earliest time will they ring together again?
please give me the answer fast and don't post unnecessary answer
Answers
Answered by
0
Answer:
3:03 pm
Step-by-step explanation:
Taking Lcm we get, 180 (sec)
Convert into mins, 180/60 = 3 mins
Adding 3:00 pm and Three minutes = 3 : 03 pm
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Answered by
0
Answer:
12 hours 2 minutes 48 seconds
Step-by-step explanation:
4=2×2
6=2×3
8=2×2×2
14=2×7
LCM of 4,6,8,14=2×2×2×3×7=168 seconds
= Bells will ring again 2 minutes 48 seconds after 12 O'clock
=12 hours 2 minutes 48 seconds.
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