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.month. ?
Answers
Answered by
45
The lcm of 15 and 20 is 60 minutes
So, the bus leaves 3 times together from 8a.m to 11a.m.
Answered by
4
Step-by-step explanation:
A bus service centre has 2 Fead start o&ogether Bus A leaves at = 15 mins.
while, Bus & leaves at = 20 ming.
LCM of 15 8 20 13 = 60 mins.
From 8 to 11 am. is = 180 mins.
Bus 'A' & B' leaves together in 180 mins =180÷60=3times
Hence, On a particular day 3 times do both services leave together from 8 am to 11 am.
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