Each of the question below consists of a question and three statements number I, II and III given below it. You have to decide whether the data provided in the statement are sufficient to answer the question.

What is the speed of Train G?

I. Train G crosses a platform of length 280 meters and the train H running in the same direction at a speed of 30 m/sec in 10.4 sec and 20 sec respectively.

II. Train J crosses platform of length 320 meters and train G running in the same direction in 20 sec and 72 sec respectively considering speed of train G is more than that of train J.

III. Train H crosses a platform of length 180 meters and train G having length 240 meters running in the same direction in 18 sec and 30 sec respectively considering speed of train G is more than that train H.