There are 32 stations between Ernakulam and Chennai. How many second class tickets have to be printed, so that a passenger can travel from one station to any other station?	Choose the correct choice from the following:
A) 1800	B) 1820	C) 1150	D) 1122	E) 1900
The total number of stations= 34   From 34 Stations we have to choose any two stations and the direction of travel (Ernakulam to Chennai is different from Chennai to Ernakulam) in 34P2 ways.   34P2= 34*33= 
<gadget id="calculator">34*33</gadget>
<output>1_122</output>
1122   ANSWER:1122
<result>D</result>
There are 32 stations between Ernakulam and Chennai. How many second class tickets have to be printed, so that a passenger can travel from one station to any other station?