In a row of 29 people facing north, Karan is 9th from the right end. If Ramesh sits fifth to the left of Karan, what is Ramesh's position from the left end of the line?

In an examination, P, Q, R, and S each scored different marks. Q scored more than R and S. No one scored less than P. Who among them scored the maximum marks?

In a row of people facing north, P is 2nd from the right end and Q is 7th from the right end. Q is exactly between P and R. If R is 5th from the left end of the row, how many people are there in the row?