P,Q,R and S are four men , p is the oldest but not the poorest. R is the richest but not the oldest. Q is older than S but not than P or R, P is richer than Q but not than S .The four men can be ordered descending in respectof age and richness respectively, as



PQRS ,RPSQ
PRQS, RSPQ
PRQS, RSQP
PRSQ, RSPQ

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