Question

Two trains of equal length , running in opposite directions , pass a pole in 18 and 12 seconds. The trains will cross each other in
A) 14.4 sec B) 15.5 sec C) 18.8 sec D) 20.2 sec

Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

lcm of (12,18)=36..... then its comes... 2 & 3....

double the distance bcoz of both train...so

72/5=14.4 sec