Q: 89 (CAPF/2012)

If X is richer than Y Z is richer than X P is richer than Z Q is the richest of all who among the following will have the central position if they are made to sit in the above degree of richness?
question_subject: 
General Knowledge
question_year: 
2012
question_exam: 
CAPF
stats: 
0,368,176,72,88,368,16