A bus service centre has 2 feed services that start together at 8.00 am .bus A leaves at 15 min interval,bus B leaves at 20 min interval. On a particular day,how many times do both services leave together from 8 a.m.to 11 a.m ?
Answers
Answered by
6
the both services leave together from 8 am to 11 am = 21 times
well if u think something like y am i EXPLAINING !! well its cus i want to make myself clear. the buses leave within 3 hours so how many times the buses come in 1 hour ?
bus A bus B
1 hour = 4 1 hour = 3
4 x 3 cus 3 hours = 12 3 x 3 cus 3 hours = 9
12 + 9 = 21
hope it helps u
well if u think something like y am i EXPLAINING !! well its cus i want to make myself clear. the buses leave within 3 hours so how many times the buses come in 1 hour ?
bus A bus B
1 hour = 4 1 hour = 3
4 x 3 cus 3 hours = 12 3 x 3 cus 3 hours = 9
12 + 9 = 21
hope it helps u
Answered by
3
Answer:
Step-by-step explanation: The LCM of 15 and 20 is 60min or 1hr
They together leave from 8am to 11am
Hence 11hr-8hr=3hr
Therefore no of times do both services leave together =3/1=3 times
The required answer is 3times
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