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Combination problem

  • Thread starter Amith2006
  • Start date
  • #1
427
2

Homework Statement


There r 8 Stations between city A & city B. What is the number of types of tickets to be printed So as to enable a city passenger to commute from one place to another?


Homework Equations





The Attempt at a Solution



Total number of Stations=10
Types of tickets=2*[C(10,2)]
=90
Does it seem ok to u?
 

Answers and Replies

  • #2
Dick
Science Advisor
Homework Helper
26,258
618
Seems ok to me.
 
  • #3
427
2
thanx.
 

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