


1.
What is the speed of the train?
I. The train crosses a signal pole in 18 seconds. II. The train crosses a platform of equal length in 36 seconds. III . Length of the train is 330 metres. Answer & Solution
Answer: (D) III and either I or II only
Solution: Answer: Option D Explanation:
Let the speed of the train be x metres/sec.
Length of train = 330 m.
Correct answer is (D). 2.
What is the speed of the train?
I. The train crosses a tree in 13 seconds. II. The train crosses a platform of length 250 metres in 27 seconds. III. The train crosses another train running in the same direction in 32 seconds. Answer & Solution
Answer: (A) I and II only
Solution:
Let the speed of the train be x metres/sec.
Thus I and II give the speed of the train. The correct answer is (A.) 