A 120 m long train is moving in a direction with speed 20 m/s.A train B moving with 30 m/s in the opposite direction and 130m long crosses the first train in a time

Options

(a) 6 S
(b) 36 S
(c) 38 S
(d) None of these

Correct Answer:

None of these

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.