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.
A train crosses another train in 9 seconds. Find the lenghts of the trains.
I. The respective ratio v\between the lengths of the second and first train is 4 : 5
II. The ratio between the speeds of first and second train is 1 : 2 respectively.
III. The speed of first train is 48 Km/hr. They are moving in opposite directions.
1
Only I and II together
2
Only II and III together
3
Only I and III together
4
Questions cant be answered even after using all the information
5
all three I, II, and III