In Ranking Sequence questions, ranks of a person both from the top and bottom are mentioned and total number of persons is asked. However, sometimes this question is put in the form of a puzzle of interchanging seats by two persons.
Raman ranks sixteenth from the top and forty ninth from the bottom in a class. How many students are there in the class ?
Justification: Clearly, number of students in the class = (15 + 1 + 48) = 64