Question

There are 50 station on a railway line how many different kinds of single 1st class tickets must be printed so as enable a passengers to go from one station to another

Answer 1

Answer:

2450

Explanation:

The person has to go to one station to another so to go from station 1 to station 2 there are the ways are-:

50 P 2 = 50!/48!

= 50×49

=2450