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There are 14 railway starions along a railway line .the number of ways of selecting 3 stations to stop a trian.?

There are 14 railway starions along a railway line .the number of ways of selecting 3 stations to stop a trian.?

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Grade:12th pass

3 Answers

Arun
25750 Points
4 years ago
Dear student
 
For selecting 3 stations leave forst stations as it can't stop at the starting station.
 
Hence 13C3 = 13 * 12 * 11/ 6 = 143 * 2 = 286
Vikas TU
14149 Points
4 years ago
Dear student 
Total No of way can a train be stopped= 14c3 = 14 * 13 * 12 / 3* 2* 1  = 364
Hope this will help 
Good Luck 
Cheers 
Sai Soumya
99 Points
4 years ago
There are 14 railway stations and you have to choose any three out of those 14.
So, number of ways of choosing is 14C3

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