Three bells toll together at the same time after the first bell stays quiet for 12 seconds, the second bell for 15 seconds and the third bell for 18 seconds. During a duration of 30 minutes, how many times will the three bells toll together?
Answers
Answered by
4
Answer:
after three hour
Step-by-step explanation:
find lcm of 12,15,18
lcm = 180 seconds = 3 hour
Answered by
5
Answer:
To find the answer of such questions we have to find the LCM OF GIVEN NUMBER
Step-by-step explanation:
HENCE FIND THE LCM OF 12,15,18
LCM OF 12,15,18 IS EQUAL TO =180
HENCE THE THREE BELL WILL RING TOGETHER AT INTERVAL OF 3 MINUTES AS 180 SECONDS = 3 MINUTES
DURING 30 MINUTES THE BELL WILL RING TOGETHER 10 TIMES
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