Question

Two trains 400 m and 500 m long are moving.
in oprosiate directing at a speed of 50 km/h and 40 km/h
the respectively . How long would alt take trein
to pass each other​

Answer 1

Answer:

68 km/ Hr

Step-by-step explanation:

In relative speed, Faster train crosses the slower train in 180 sec. Hence, in 180 sec faster train relatively crosses 1 Km distance (600m + 400m) Hence, relative speed is = 1Km/ 180 sec = 20 Km/Hr. Considering speed of slower train as 48 Km/Hr, Speed of faster train would be 68 Km/Hr (48+20). Ans. 68 Km/Hr