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Truth Teller and Liar Puzzles Worksheet

Logical reasoning lesson 24: Truth-tellers and liars · Set 45 · 40 questions
TalentJR

How to think it through (Suppose and check): Suppose the first speaker is a truth-teller: their words are true. Work out what that says about the others. Check every statement. A truth-teller’s words must be true; a liar’s words must be false. If you hit a clash, switch the supposition. The possibility with no clash is the answer.

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  1. 1.Each person always tells the truth or always lies. Kabir says: “Myra is a liar.” Myra says: “Kabir and I are the same kind.” Is Myra a truth-teller or a liar? (a) truth-teller (b) liar
  2. 2.Each person always tells the truth or always lies. Aarav says: “Omkar and I both tell the truth.” Omkar says: “Aarav and I are the same kind.” Is Omkar a truth-teller or a liar? (a) truth-teller (b) liar
  3. 3.Each person always tells the truth or always lies. Myra says: “At least one of us two, Vivaan or I, is a liar.” Vivaan says: “Priya and I both tell the truth.” Priya says: “Vivaan is a liar.” Is Priya a truth-teller or a liar? (a) truth-teller (b) liar
  4. 4.Each person always tells the truth or always lies. Meera says: “Pooja and I both tell the truth.” Pooja says: “Meera and I both tell the truth.” Karan says: “At least one of us two, Pooja or I, is a liar.” Is Pooja a truth-teller or a liar? (a) truth-teller (b) liar
  5. 5.Each person always tells the truth or always lies. Farhan says: “Meera is a liar.” Sneha says: “Meera is a liar.” Meera says: “At least one of us two, Sneha or I, is a liar.” Is Farhan a truth-teller or a liar? (a) truth-teller (b) liar
  6. 6.Each person always tells the truth or always lies. Dev says: “Siddharth and I are different kinds.” Siddharth says: “Dev tells the truth.” Is Dev a truth-teller or a liar? (a) truth-teller (b) liar
  7. 7.Each person always tells the truth or always lies. Yash says: “Ira and I both tell the truth.” Ira says: “Dev is a liar.” Dev says: “Yash tells the truth.” Is Ira a truth-teller or a liar? (a) truth-teller (b) liar
  8. 8.Each person always tells the truth or always lies. Ananya says: “Riya is a liar.” Riya says: “Ananya and I are different kinds.” Is Riya a truth-teller or a liar? (a) truth-teller (b) liar
  9. 9.Each person always tells the truth or always lies. Karan says: “Vivaan and I are different kinds.” Vivaan says: “Kavya and I are the same kind.” Kavya says: “Karan is a liar.” Is Karan a truth-teller or a liar? (a) truth-teller (b) liar
  10. 10.Each person always tells the truth or always lies. Siddharth says: “Kavya is a liar.” Kavya says: “At least one of us two, Siddharth or I, is a liar.” Is Siddharth a truth-teller or a liar? (a) truth-teller (b) liar
  11. 11.Each person always tells the truth or always lies. Omkar says: “Aisha and I are the same kind.” Aisha says: “Omkar is a liar.” Is Omkar a truth-teller or a liar? (a) truth-teller (b) liar
  12. 12.Each person always tells the truth or always lies. Riya says: “Aarav and I are the same kind.” Aarav says: “Riya and I both tell the truth.” Is Aarav a truth-teller or a liar? (a) truth-teller (b) liar
  13. 13.Each person always tells the truth or always lies. Manav says: “At least one of us two, Kabir or I, is a liar.” Kabir says: “Manav and I are the same kind.” Is Kabir a truth-teller or a liar? (a) truth-teller (b) liar
  14. 14.Each person always tells the truth or always lies. Yash says: “Priya and I are the same kind.” Priya says: “Yash and I both tell the truth.” Is Priya a truth-teller or a liar? (a) truth-teller (b) liar
  15. 15.Each person always tells the truth or always lies. Riya says: “Nisha and I are the same kind.” Nisha says: “Riya is a liar.” Ananya says: “Nisha tells the truth.” Is Riya a truth-teller or a liar? (a) truth-teller (b) liar
  16. 16.Each person always tells the truth or always lies. Priya says: “Riya and I are the same kind.” Riya says: “Priya and I are the same kind.” Is Riya a truth-teller or a liar? (a) truth-teller (b) liar
  17. 17.Each person always tells the truth or always lies. Yash says: “Karan and I are different kinds.” Karan says: “Yash tells the truth.” Is Karan a truth-teller or a liar? (a) truth-teller (b) liar
  18. 18.Each person always tells the truth or always lies. Aarav says: “At least one of us two, Ira or I, is a liar.” Siddharth says: “Aarav is a liar.” Ira says: “Aarav and I are the same kind.” Is Siddharth a truth-teller or a liar? (a) truth-teller (b) liar
  19. 19.Each person always tells the truth or always lies. Ira says: “Riya and I are the same kind.” Dev says: “Riya is a liar.” Riya says: “Ira and I both tell the truth.” Is Ira a truth-teller or a liar? (a) truth-teller (b) liar
  20. 20.Each person always tells the truth or always lies. Tara says: “Pooja and I are the same kind.” Pooja says: “Farhan tells the truth.” Farhan says: “At least one of us two, Tara or I, is a liar.” Is Pooja a truth-teller or a liar? (a) truth-teller (b) liar
  21. 21.Each person always tells the truth or always lies. Sneha says: “Farhan and I are the same kind.” Farhan says: “Sneha and I both tell the truth.” Is Sneha a truth-teller or a liar? (a) truth-teller (b) liar
  22. 22.Each person always tells the truth or always lies. Kavya says: “Dev and I are different kinds.” Saanvi says: “Kavya tells the truth.” Dev says: “Kavya tells the truth.” Is Kavya a truth-teller or a liar? (a) truth-teller (b) liar
  23. 23.Each person always tells the truth or always lies. Tara says: “Neel is a liar.” Neel says: “Omkar and I are the same kind.” Omkar says: “Neel and I both tell the truth.” Is Omkar a truth-teller or a liar? (a) truth-teller (b) liar
  24. 24.Each person always tells the truth or always lies. Ishaan says: “Siddharth tells the truth.” Siddharth says: “Ishaan and I are different kinds.” Is Ishaan a truth-teller or a liar? (a) truth-teller (b) liar
  25. 25.Each person always tells the truth or always lies. Omkar says: “Nisha and I are the same kind.” Nisha says: “Omkar is a liar.” Is Omkar a truth-teller or a liar? (a) truth-teller (b) liar
  26. 26.Each person always tells the truth or always lies. Aditya says: “Priya and I are the same kind.” Kabir says: “Aditya is a liar.” Priya says: “Aditya tells the truth.” Is Priya a truth-teller or a liar? (a) truth-teller (b) liar
  27. 27.Each person always tells the truth or always lies. Vivaan says: “Manav and I are different kinds.” Manav says: “Vivaan is a liar.” Is Vivaan a truth-teller or a liar? (a) truth-teller (b) liar
  28. 28.Each person always tells the truth or always lies. Diya says: “Dev is a liar.” Kavya says: “Diya and I both tell the truth.” Dev says: “Kavya and I are the same kind.” Is Diya a truth-teller or a liar? (a) truth-teller (b) liar
  29. 29.Each person always tells the truth or always lies. Meera says: “Ananya and I are the same kind.” Ananya says: “Meera is a liar.” Is Meera a truth-teller or a liar? (a) truth-teller (b) liar
  30. 30.Each person always tells the truth or always lies. Ishaan says: “Isha and I are different kinds.” Isha says: “Ishaan and I are different kinds.” Is Ishaan a truth-teller or a liar? (a) truth-teller (b) liar
  31. 31.Each person always tells the truth or always lies. Tara says: “Aarav and I are the same kind.” Zoya says: “At least one of us two, Tara or I, is a liar.” Aarav says: “Zoya and I both tell the truth.” Is Tara a truth-teller or a liar? (a) truth-teller (b) liar
  32. 32.Each person always tells the truth or always lies. Zoya says: “Ira is a liar.” Ira says: “Zoya and I are different kinds.” Is Ira a truth-teller or a liar? (a) truth-teller (b) liar
  33. 33.Each person always tells the truth or always lies. Siddharth says: “Tara and I are the same kind.” Tara says: “Siddharth and I are the same kind.” Is Siddharth a truth-teller or a liar? (a) truth-teller (b) liar
  34. 34.Each person always tells the truth or always lies. Kavya says: “Priya and I both tell the truth.” Priya says: “Kavya is a liar.” Is Priya a truth-teller or a liar? (a) truth-teller (b) liar
  35. 35.Each person always tells the truth or always lies. Zoya says: “Tara and I both tell the truth.” Tara says: “Zoya and I both tell the truth.” Rahul says: “At least one of us two, Zoya or I, is a liar.” Is Rahul a truth-teller or a liar? (a) truth-teller (b) liar
  36. 36.Each person always tells the truth or always lies. Nisha says: “Riya and I are the same kind.” Riya says: “Priya tells the truth.” Priya says: “Nisha is a liar.” Is Riya a truth-teller or a liar? (a) truth-teller (b) liar
  37. 37.Each person always tells the truth or always lies. Neel says: “Rahul and I are different kinds.” Riya says: “Rahul and I both tell the truth.” Rahul says: “Neel and I are different kinds.” Is Neel a truth-teller or a liar? (a) truth-teller (b) liar
  38. 38.Each person always tells the truth or always lies. Pooja says: “At least one of us two, Farhan or I, is a liar.” Farhan says: “Pooja and I are the same kind.” Is Pooja a truth-teller or a liar? (a) truth-teller (b) liar
  39. 39.Each person always tells the truth or always lies. Ira says: “Aarav is a liar.” Aarav says: “At least one of us two, Ira or I, is a liar.” Is Aarav a truth-teller or a liar? (a) truth-teller (b) liar
  40. 40.Each person always tells the truth or always lies. Ishaan says: “Kabir and I are different kinds.” Kabir says: “Ishaan is a liar.” Is Ishaan a truth-teller or a liar? (a) truth-teller (b) liar

Answer key

  1. liar
  2. truth-teller
  3. truth-teller
  4. liar
  5. liar
  6. liar
  7. truth-teller
  8. truth-teller
  9. liar
  10. liar
  11. liar
  12. truth-teller
  13. liar
  14. truth-teller
  15. liar
  16. truth-teller
  17. liar
  18. liar
  19. truth-teller
  20. truth-teller
  21. truth-teller
  22. liar
  23. truth-teller
  24. liar
  25. liar
  26. truth-teller
  27. truth-teller
  28. truth-teller
  29. liar
  30. liar
  31. liar
  32. truth-teller
  33. truth-teller
  34. truth-teller
  35. truth-teller
  36. truth-teller
  37. liar
  38. truth-teller
  39. truth-teller
  40. truth-teller

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