A train takes 8 seconds and 20 seconds respectively to cross a telegraph post and a 264 meter long pool.

Two trains of equal lengths take 10 seconds and 15 seconds respectively to cross a telegraph post.If the length of each train be 120 metres,in what time (in seconds) will they cross each other travelling in opposite direction? 10 b.12 c.15 d.20

If a train takes 1.5 seconds to cross a-telegraph post and 1.75 seconds to overtake a cyclist racing along a road parallel to the track at 10 m/s, then the length of the train is

A train takes 10 seconds to cross a pole and 20 seconds to cross a platform of length 200 m. What is the length of the train?