Question

26. A train travelling at 48 km/hr crosses
another train, having half its length and
travelling in opposite direction at 42 km/
hr, in 12 seconds. It also passes a railway
platform in 45 seconds. T.he length of the
railway platform is:
1) 200 m 2) 300 m 3) 350 m 4) 400 m.

I want solution​

Answer 1

Answer:

350m is correct answer