Town M	Town N	Town O	Town P	Town Q	Town R ; Town A Town B Town C Town D Town E Town F In the table above, what is the least number of table entries that are needed to show the mileage between each Town and each of the other five Towns?  Choose the correct choice from the following answers.
A) 11
B) 12
C) 13
D) 14
E) 15
Easy way to go about this problem is we have 6*6= 
<gadget id="calculator">6*6</gadget>
<output>36</output>
36 enteries in table the least number of enteries would be (36 - 6) /2 since 6 enteries represent the distances between same points .   Alternatively this can be solved as combination problem.   Correct Answer 15
<result>E</result>
Town M	Town N	Town O	Town P	Town Q	Town R ; Town A Town B Town C Town D Town E Town F In the table above, what is the least number of table entries that are needed to show the mileage between each Town and each of the other five Towns?