← Truth-tellers and liars lesson New set →

Truth Teller and Liar Puzzles Worksheet

Logical reasoning lesson 24: Truth-tellers and liars · Set 68 · 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.

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

Answer key

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

Free logical reasoning lessons, practice and worksheets at talentjr.in/logical-reasoning