Speed of a car is (v + 2) km/h, which is 8 km/h less than that of bike. Time taken by car to cover 96 km is 20% less than the time taken by bike to cover 150 km. Length of a train is (5v + 12) metres. If speed of train is (v - 3) m/s, then find the time taken (in seconds) by train to cross a man standing on a platform of length 540 metres.