1. If 'A + B' means 'A is the husband of B', 'A - B' means 'A is the wife of B', 'A × B' means 'A is the father of B', and 'A ÷ B' means 'A is the mother of B', then which of the following means 'M is the daughter of N'?

2. Five people A, B, C, D, and E are standing in a line. B is standing between A and E. C is standing between E and D. Who is standing in the middle?

3. A bakery makes cakes in the following order: mix ingredients, bake, cool, frost, and decorate. If the baker is currently frosting a cake, which of the following steps has definitely been completed?

4. Five books P, Q, R, S, and T are placed on a table. S is placed immediately below R and immediately above Q. P is placed below Q and T is placed above R. Which book is at the bottom?

5. Five people - A, B, C, D, and E - are sitting in a row facing north. C is sitting next to A and D. B is sitting to the right of D. E is not sitting with A. Who is sitting in the middle?

6. If 'P @ Q' means 'P is the father of Q', 'P # Q' means 'P is the sister of Q', 'P & Q' means 'P is the wife of Q', and 'P * Q' means 'P is the son of Q', then which of the following means 'A is the grandmother of C'?

7. Five cities - U, V, W, X, and Y - are arranged in alphabetical order. If W is moved to the beginning and Y is moved to the end, what is the new order?

8. Five friends - K, L, M, N, and O - are seated in a row. K is not sitting next to L or O. M is sitting next to N but not L. What is the correct seating arrangement from left to right?

9. In a certain code, COMPUTER is written as RFUVQNPC. How will MEDICINE be written in that code?

10. Five athletes - V, W, X, Y, and Z - are standing on a podium. V is not in first or last place. W is one place behind X. Y is in last place. Z is two places ahead of V. What is the correct order from first to last?