Direction: The following question consists of three statements numbered I, II and III. Decide if data given in the statements are sufficient to answer the questions below.

Among five friends P, Q, R, S and T each studying in a different standard, viz 3^rd, 4^th, 5^th, 6^th and 8^th. In which standard does R study? 

I.Q studies in a standard which is an odd number. R is Q’s senior but does not study in 8^th standard.

II. Only three students are senior to P. Q is senior to P but junior to R.

III. S is not junior to T.