Aptitude - Problems on Trains

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Overview

Important Formulas

Exercise

"No one is as deaf as the man who will not listen."

- (Proverb)

Directions to Solve

Each of the questions given below consists of a question followed by three statements. You have to study the question and the statements and decide which of the statement(s) is/are necessary to answer the question.

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.

A.	I and II only
B.	II and III only
C.	I and III only
D.	III and either I or II only
E.	Any two of the three

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.

A.	I and II only
B.	II and III only
C.	I and III only
D.	Any two of the three
E.	None of these