Two trains, Train A and Train B crosses each other completely in 18 sec while travelling in opposite directions, speed of train A is 72

km/hr and speed of train B is 54 km/hr. Moreover, length of train A is 170 m less than the length of train B. Which of the following values we can get from the above given conditions.

a) Length of train A

b) Time taken by train B to cross a pole

c) Time taken by train A to cross platform of length 233 m

d) Initial distance between both the trains.