TCS Company Logical Reasoning Cryptography

there are 16 different stations between A and B.how many different railway tickets have to be printed in each station except platform tickets??

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TCS Other Question

What is the probability that when 4 letters are placed in 4 addressed envelope,all r wrongly placed? you are going to get grounded for a week if you don't get at least 80% in your science class.So far you have 237 out of the total 300 points. The final test in worth 100 points. What is the minimum score you need to get on the final test? Assume the teacher rounds properly