Six children Riya, Siya, Tia, Urja, Vani, and Vini were born one after another, but not necessarily in the same order. All of them were born in different cities. Only two children were born before the child born in Raipur. Only one child was born between Siya (born in Delhi) and the child born in Raipur. Tia was born before Urja and immediately after the child born in Haridwar. Tia was not born in Raipur. Riya was born in Bhopal and immediately before Vani. Tia was born immediately before the child born in Ballia. Vini was not born in Pune. Where was Vini born?

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?