At a railway junction, trains start from 5 different platforms at 3, 4, 8, 12 and 15 minutes intervals. At 7:30 am, trains started from all five platforms simultaneously. When will 5 trains start together again?
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0
Answer:
I don't know bro sorry byy
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Answer:
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Step-by-step explanation:
We have to find the Lcm of given numbers.
3= 3
4= 2x2
8= 2×2×2
12= 2×2×3
15=3x5
Lcm= 2×2×2×3×5= 120minutes
After 120 minutes = 2hrs
The 5 planes will next take off together at = 7.30a.m + 2hrs= 9.30a.m
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