Sherlock Holmes' Deductive Reasoning

Sherlock Holmes' Deductive Reasoning trivia questions

  1. What is the name of Sherlock's brother in the series?
  2. In The Great Game, how does Sherlock identify the Golem?
  3. What does Sherlock use to determine the age of a corpse in A Study in Pink?
  4. In The Hounds of Baskerville, what does Sherlock deduce about Henry's father's death?
  5. What does Sherlock deduce about John Watson when they first meet?
  6. In The Reichenbach Fall, how does Sherlock deduce Moriarty's code?
  7. What does Sherlock deduce about the cabbie in A Study in Pink?
  8. In The Blind Banker, how does Sherlock deduce the code in Soo Lin's apartment?
  9. In The Sign of Three, how does Sherlock deduce the identity of the Mayfly Man?
  10. In His Last Vow, how does Sherlock deduce Mary's true identity?
  11. What is Sherlock's first deduction in Elementary?
  12. In Elementary, what does Sherlock deduce about Watson's father?
  13. What does Sherlock deduce about Watson's brother in Elementary?
  14. In Elementary, what does Sherlock deduce about Watson's mother?
  15. What does Sherlock deduce about Watson's past relationship in Elementary?
  16. In Elementary, what does Sherlock deduce about Watson's former patient?
  17. What does Sherlock deduce about the first murder victim in Elementary?
  18. In Elementary, what does Sherlock deduce about the killer's identity in the first episode?
  19. What does Sherlock deduce about the murder weapon in the first episode of Elementary?
  20. In Elementary, what does Sherlock deduce about the killer's motive in the first episode?