Question

(a) 125 m
A 130 m long train crosses a bridge in 30 seconds at 45 km/h. The length
(b)
(d) 175 m
platform
(b) 225 m
of the bridge is
a) 200 m
(d) 250 m
(c) 245 m
at a speed of 30 m/sec crosses a platform 600 mm​

Answer 1

Answer:

45*(5/18)=12.5 =>(130+x)/12.5=30 =>(130+x)=375 =>x=375-130 =>x=245 Hence answer is 245m.