Q: A train overtakes two boys who are walking in the same direction as the train, at the rate of 5km/hr and 7 km/hr and passes them completely in 6 seconds and 9 seconds respectively. Find the length of the train.
A.
10 m
B.
5 m
C.
30 m
D.
20 m
Correct Answer:
Option A -
Explanations:
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