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Truth Teller and Liar Puzzles Worksheet

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

Answer key

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

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