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Truth Teller and Liar Puzzles Worksheet

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

Answer key

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

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