Speed =360 km/hr =100 m/sec. Let train length =L, platform =2L. Distance covered =L+2L=3L. Time =30 sec. So 3L=100×30=3000 m, giving L=1000 m. Platform length =2L=2000 m =2 km.
A train running at a speed 360 km/hr passes a platform with double length in 30 sec. Find the length of platform.
Held on 20 Aug 2022 · Verified 13 Jul 2026.
3 km
2 km
4 km
1 km
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