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Truth Teller and Liar Puzzles Worksheet

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

Answer key

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

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