1. In a line of people, A is 7th from the left and B is 11th from the right. If A is 3 places to the right of B, how many people are there in the line?

2. Six friends A, B, C, D, E, and F are sitting in a circle facing the center. B is to the immediate right of A. D is between F and E. C is not next to A. Who is to the immediate left of F?

3. In a row of 15 people, A is 5th from the left and B is 7th from the right. How many people are there between A and B?

4. Five books P, Q, R, S, and T are placed on a shelf. R is to the right of Q and to the left of S. T is to the left of Q. What is the position of P from the left end?

5. In a line of people, Mason is 18th from the front and 15th from the back. How many people are in the line?

6. Six friends P, Q, R, S, T, and U are sitting in a row facing south. S is between U and R. P is second to the left of U. T is second to the right of Q. Who is sitting at the left end?

7. Five people P, Q, R, S, and T are sitting in a row. R is not at the end of the row. Q is to the right of S. P is to the left of S and right of T. Who is sitting in the middle?

8. Eight friends A, B, C, D, E, F, G, and H are sitting around a circular table facing the center. B is third to the right of D. F is second to the left of A. C is fourth to the right of A. G is not an immediate neighbor of D. E is second to the right of H. Who is sitting second to the left of E?

9. Five people A, B, C, D, and E are sitting in a row. B is to the right of A and left of C. D is to the left of A. E is to the right of C. Who is sitting in the middle?

10. Six friends P, Q, R, S, T, and U are sitting in two rows with three people in each row. In row 1, R is to the right of P. In row 2, S is to the left of T. Q is not in row 2. U is not at any of the ends. Who is at the left end of row 1?