1. All senior analysts use the Bloomberg Terminal. Some junior analysts use the terminal. Mark is a senior analyst. Sarah uses the terminal. Which must be true?

2. Five employees (A, B, C, D, E) are ranked by seniority. A is more senior than B. C is ranked 2nd. D is less senior than B. E is more senior than A. Which ranking is possible?

3. All employees in the R&D department live in District 4. Every resident of District 4 pays a local luxury tax. James pays a local luxury tax. Chloe works in R&D. Which must be true?

4. No temporary staff have access to the server room. All permanent engineers have access. Some contractors have access. David is a permanent engineer. Which must be true?

5. Six projects (P, Q, R, S, T, U) are prioritized. P is higher than Q. R is ranked 3rd and S is 4th. T is higher than both P and U. Which ranking is possible?

6. Every Saturday the office is closed. Today the office is open. Tomorrow is Sam's birthday. Which must be true?

7. All directors drive electric cars. Some managers drive electric cars. No interns drive electric cars. Lucy is a director. Which must be true?

8. Four files (Red, Blue, Green, Yellow) are sorted. Blue is before Green. Yellow is after Red. Red is not 1st. Which statement must be true?

9. All laptops in Batch A have 16GB RAM. Most laptops in Batch B have 16GB RAM. Laptop X has 8GB RAM. Which must be true?

10. Five cars (V, W, X, Y, Z) are parked in a row. V is between X and Y. Z is at the end. W is next to X. If Z is in spot 5, which is possible?

11. All participants in the marathon receive a medal. Some residents of City A participated. John is a resident of City A. Which must be true?

12. (REVISED) All pilots must pass a vision test. Mark passed his vision test. Sarah is a pilot. Which must be true?

13. A company policy states that all employees with over 5 years of tenure get a bonus. Some employees in Sales have 6 years of tenure. Mike works in Sales. Which must be true?

14. All plants in the lobby are tropical. No tropical plants can survive frost. It is frosting outside. Which must be true?

15. Six runners (1, 2, 3, 4, 5, 6). 2 finished before 4. 1 was 3rd. 5 was last. 6 finished after 3 but before 1. Which ranking is possible?

16. All software updates require a restart. System X just updated. System Y did not restart. Which must be true?

17. Only certified accountants can sign the audit. Leo signed the audit. Maya is a certified accountant. Which must be true?

18. All boxes in Warehouse A are blue. Most blue boxes contain fragile items. Box 101 is in Warehouse A. Which must be true?

19. If a file is encrypted, it is secure. File A is not secure. File B is secure. Which must be true?

20. Ranking: P > Q, Q > R, S is between P and Q. Which statement is true?

21. All members of the gym get a free towel. Some members are over 60. Kevin is over 60. Which must be true?

22. All executive suites have biometric locks. No biometric locks are hackable. Room 402 is an executive suite. Which must be true?

23. Six runners (A, B, C, D, E, F) are ranked. E is 1st. C is 3rd. A is ranked above B. D is ranked two places below A. F is 6th. Which must be true?

24. All members of the finance team have CPA certification. Most CPA holders live in the suburbs. James is on the finance team. Which must be true?

25. Three managers (X, Y, Z) and three assistants (A, B, C) are paired. X does not work with A. Z works with A. Y works with B or C. Which must be true?

26. Three guards (K, L, M) cover a five-day shift (Mon-Fri). No guard works consecutive days. L works Wednesday. K works Monday and Friday. Which must be true?

27. No intern is allowed in the vault. All senior partners are allowed in the vault. John is currently in the vault. Which must be true?

28. Five cars (P, Q, R, S, T) are tested for speed. P is faster than Q. R is the slowest. S is faster than T but slower than Q. Which must be true?

29. Team Alpha must have exactly four members. Only a certified engineer can be the Team Lead. Mike is a certified engineer. Sarah is a junior analyst. Which is true?

30. All cats are mammals. All mammals are warm-blooded. Some warm-blooded animals are pets. Fluffy is a cat. Which must be true?

31. Four books (A, B, C, D) are ranked by age. A is older than B. C is the newest. D is older than A. Which statement must be true?

32. All laptops in the office are MacBooks. No MacBooks are compatible with Software Y. Laptop 501 is in the office. Which must be true?

33. Six finalists (1-6) are in a race. 2 is not 1st or 6th. 3 is ahead of 4. 2 is immediately ahead of 3. 1 is 5th. If 2 is 2nd, which must be true?

34. All red files contain invoices. All invoices must be filed by Friday. File X is a red file. Which statement must be true?

35. Four rooms (A, B, C, D) are cleaned in sequence. Room A is cleaned before Room B. Room C is cleaned after Room D. Room B is cleaned last. Which is possible?

36. There are three boxes: Gold, Silver, Bronze. One has a prize. Labels: Gold: "Prize is here." Silver: "Prize is not here." Bronze: "Prize is not in Gold." If only one label is true, where is the prize?

37. Most sales reps are extroverted. All extroverted people enjoy crowds. Mark is a sales rep. Which must be true?

38. Four friends are compared by height. Tom is taller than Sarah. James is shorter than Sarah. Leo is the tallest. What is the order from tallest to shortest?

39. No one without an even-digit ID can access the gym. Maria has access to the gym. Which must be true?

40. Teachers X, Y, Z teach Math, Eng, Sci in periods 1, 2, 3. X doesn't teach Math. Y teaches Sci. Z teaches in Period 1. Science is Period 3. Which is true?

41. All birds have feathers. No reptiles have feathers. Animal X is a reptile. Which statement must be true?