1. In a family of six persons P, Q, R, S, T and U, there are two married couples. T, a teacher, is married to a doctor who is mother of R and U. Q is married to P and is father of S. S is a male member. How is P related to R?

2. In a family of six persons A, B, C, D, E and F, there are two married couples. B is the son of D but D is not the mother of B. E is the daughter-in-law of C. A is the father of B. F is the brother of B. Who is the wife of A?

3. In a certain code, 'COMPUTER' is written as 'DBNQVUFS'. How will 'KEYBOARD' be written in that code?

4. A company's product development process involves five steps: ideation, design, prototyping, testing, and launch. If a team is currently in the prototyping phase, which step has definitely not been completed?

5. A student must complete four tasks: read a chapter, write notes, solve problems, and take a quiz. Reading must be done before writing notes, and the quiz must be taken last. What is a possible order for completing these tasks?

6. Five friends - P, Q, R, S, and T - are standing in a line. P is not at either end. Q is between P and R. S is not next to R. What is the correct order from left to right?

7. In a certain code, 'TEACHER' is written as 'VGCEJGT'. How will 'STUDENT' be written in that code?

8. In a race, Jack finished ahead of Mike, Luke finished behind Mike but ahead of Steve, and Tom finished behind Steve. Who finished last?

9. Five athletes - A, B, C, D, and E - are standing on a podium. A is not in first or last place. B is one place ahead of C. D is in last place. E is two places behind A. What is the correct order from first to last?

10. Five friends P, Q, R, S, and T are sitting in a row. S is sitting next to R and T. P is to the right of T. Q is to the left of R and right of P. Who is sitting in the middle?