Arjun has five different favorite books: mystery, fantasy, romance, science fiction, and thriller, and he reads them on five different days of the week, from Monday to Friday. He reads a science fiction book the day before he reads a romance book. He reads a thriller book two days before he reads a fantasy book. He reads a science fiction book on Thursday. On which day does he read a romance book?

Each of P, Q, R, S, T, U and V has an exam on a different day of a week, starting from Monday and ending on Sunday of the same week. Q has an exam on Tuesday. Only one person has an exam after V. T has an exam immediately before S but after U. R has an exam before U. Who has an exam immediately after V?

Seven boxes, C, D, E, F, X, Y and Z, are kept one over the other but not necessarily in the same order. Only four boxes are kept between D and Z. Only F is kept above D. Only two boxes are kept between X and C. E is kept immediately above Y. C is not kept immediately above E. Which box is kept fourth from the top?