Directions: Read the following information carefully and answer the given questions:

There are seven persons: P, Q, R, S, T, U, and V in a bank at different designations: MD, GM, AGM, DGM, Manager, AM, PO, and Clerk from higher to lower positions. One of the designations is vacant. U is not the PO in the bank. Four designations are there between Q and T and one of them is the senior-most or junior-most in the bank. At least one person is junior to T. R is the third senior to V. Two designations are there between S and R. Only four persons are junior to P. Q is not immediately junior or senior to the vacant position in the bank.