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One train leaves Los Angeles at 15mph heading for New York.
Another train leaves from New York at 20mph heading for Los
Angeles on the same track. If a bird, flying at 25mph,
leaves from Los Angeles at the same time as the train and
flies back and forth between the two trains until they
collide, how far will the bird have traveled?
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Answer Posted / @!3
consider dist b/w LA & NY 2 b 100m.
suppose the trains collide at a pt. A.
it tks same time 4 both da trains 2 reach A.
they will collide at a dist of:
x/15=(100-x)/20
x=42.86
so, the bird,no mater how many trips it made b/w LA n NY,end
of da day it wuld have travelled 42.86% of the distance
startin 4m LA.
| Is This Answer Correct ? | 6 Yes | 9 No |
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