In each of the following questions a question is followed by information given in three statements. You have to study the question along with statements and decide the information given in which of the statement(s) is necessary and sufficient to answer the question.
What is the speed of the train?
Length of the platform is `150%` of the length of the train
The train crosses the platform in 25 seconds
The train crosses the signal pole in 10 seconds

Options

A. All 1,2 and 3
B. 1 and either 2 or 3
C. Only 2 and 3
D. Question cannot be answered even with the information in all three statements

Answer

D