Railway Tickets:
In Interviews, they tend to ask question with incomplete data in question but there is always some hidden in the question. Your first aim must to track the hidden data and proceed with the solution. Now let us see the Question.
Question:
Assume there are 25 stations. Train can go up line and down line and also to and fro among stations. Therefore, how many different kinds of Tickets should be there in Total?
Answer:
Hidden data- At each station passenger gets ticket for any of other 24 stations.
Number of different tickets= 25*24=600 tickets
Therefore, to and fro type ticket= 600*2=1200
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