Question
A train crosses another train running in the opposite
direction in 25 seconds. What is the speed of the train? I. Both the trains are running at the same speed. II. The first train is X cm long. In each of the following questions, a question and two statements I and II are given. You have to decide whether the date given in the statements are sufficient to answer the question or not.Solution
We need the length of the train also which is not given in the question.