1. In a row of 45 students, when Sita was shifted to her left by 6 places her number from right end of the row became 22nd. What was her earlier position from the left end of the row?

2. 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?

3. 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?

4. Six books A, B, C, D, E, and F are placed on a shelf. D is to the immediate left of C. B is between E and F. A is to the left of E. What is the position of F from the right end?

5. In a meeting, 5 people are seated around a circular table. A is seated between B and C. D is to the right of B and left of E. Who is seated to the right of E?

6. In a row of 40 children, R is 11th from the right end and there are 15 children between R and M. What is M's position from the left end?

7. In a row of 50 students, when Rahul was shifted to his right by 7 places his number from left end of the row became 28th. What was his earlier position from the right end of the row?

8. In a row of six people, A is standing next to B, B is standing next to C, C is standing next to D, D is standing next to E, and E is standing next to F. Which of the following must be true?

9. Six friends A, B, C, D, E, and F are sitting in a row. C is between A and E. B is between E and F. D is between A and F. Who are sitting at the ends?

10. Six books A, B, C, D, E, and F are placed on a shelf. E is to the immediate right of D. C is between A and B. F is to the left of A. What is the position of B from the right end?