Seating Arrangement Questions for IBPS RRB CLERK

Seven friends P, Q, R, S, T, U and V are sitting in a row facing the same direction. P sits at one of the extreme ends. Q sits third to the right of P. R sits second to the left of S. T sits second to the right of U. V does not sit at any extreme end. U sits fourth to the right of P. Who sits exactly in the middle?

In a theatre, 12 seats are arranged in two rows of 6 seats each. Row 1 faces south and Row 2 faces north. A, B, C, D, E, F sit in Row 1 and P, Q, R, S, T, U sit in Row 2. Each person in Row 1 faces a person in Row 2. A faces P and sits third from the right end of Row 1. B sits second to the left of C. E sits at the left end of Row 1. Q sits fourth to the right of the person who faces B. Who faces D?

In a row of 25 students facing north, Ravi is 12th from the left end. If three students join the row and sit to the right of Ravi, what will be Ravi's position from the right end?

In a meeting, 6 officials A, B, C, D, E, F are seated around a hexagonal table with each person occupying one side. A sits opposite to D. B sits second to the right of A. C sits adjacent to both E and F. E sits third to the left of B. Who sits opposite to B?

In a conference hall, 10 delegates from 5 different countries are seated in two rows of 5 seats each. Each country has exactly 2 delegates. Row A faces Row B. No two delegates from the same country sit in the same row. Indian delegates A1 and A2 are such that A1 sits in Row A and A2 sits exactly opposite to A1. Chinese delegates C1 and C2 are such that C1 sits second to the right of A1. American delegates U1 and U2 are such that U1 sits at the left end of Row B. Japanese delegate J1 sits third to the right of U1. If Russian delegates are R1 and R2, then R1 sits adjacent to which delegate?