How many people are standing in a straight line (Note: All are facing north)

I. J stands third from the right end of the line. Q stands to the immediate left of J. Only two people stand between Q and T. No person stands to the left of T.

II. R stands third from the left end of the line. Q is one of the immediate neighbours of R. Only two people stand between Q and S.

Statements : Some tests are exams. No exam is a challenge. Some challenges are wins.

Conclusions : I. All tests can never be challenges.

                   II. No win is an exam.

Statements : Some tests are exams. No exam is a challenge. Some challenges are wins.

Conclusions : I. No test is a win. 

                   II. Atleast some tests are wins. 

Statements : All fares are prices.

                    Some prices are costs.

                    All costs are tariffs.

Conclusions : I. Atleast some prices are tarriffs. 

                   II. All tariffs being prices is a possibility.

Statements : No proof is an evidence. 

                    No proof is an indication.

Conclusions: I. All Indication being evidences is a possibility.

                  II. No evidence is an indication.

Statements : All fares are prices.

                   Some prices are costs.

                   All costs are tariffs.

Conclusions : I. No fare is a tariff

                   II. No cost is a fare