On a T.V. channel, four serials A, B, C and D were screened, one on eacn day, on four consecutive days but not necessarily in that order. On which day was the serial C screened ? Statements: I. I. The first serial was screened on 23rd, Tuesday and was followed by serial D. II. Serial A was not screened on 25th and one serial was screened between serials A and B. (a) statement (I) alone is sufficient (b) statement (II) alone is sufficient (c) Both statements (I) and (II) together are not sufficient (d) Both statements (I) and (II) together are necessary