Master guilty_or_location_deduction - Beginner Level Problems guilty_or_location_deduction BEGINNER

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📝 Worksheet 3 of 10 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Beginner level

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Worksheet 3 of 10 (22% complete)

Question 1

Pooja says: 'Farhan took the silver ring' Farhan says: 'I did not take the silver ring' Manoj says: 'Pooja is a truth-teller' Pooja says: 'Exactly one of us took the silver ring' Who took the silver ring?
Step 1: If Pooja is truth-teller, then:
- Farhan took the silver ring (from statement 1).
- Exactly one person took the item (from statement 4).
- Farhan says 'I did not take it' - FALSE, so Farhan is liar (consistent).
- Manoj says 'Pooja is truth-teller' - TRUE, so Manoj is truth-teller.
This gives: Pooja=T, Farhan=L, Manoj=T with Farhan as thief.

Step 2: If Pooja is liar, then:
- Farhan did NOT take the item (statement 1 false).
- 'Exactly one person took it' is FALSE → either 0 or 2+ people took it.
- Since Farhan didn't take it, someone else must have.
- Manoj says 'Pooja is truth-teller' - FALSE, so Manoj is liar.
- Farhan says 'I did not take it' - TRUE, so Farhan is truth-teller.
- This gives Pooja=L, Farhan=T, Manoj=L with no thief identified - INCONSISTENT.

Therefore, the only consistent solution is Farhan took the silver ring.

Question 2

Amit says: 'Leena took the pearl' Leena says: 'I did not take the pearl' Kiran says: 'Amit is a truth-teller' Amit says: 'Exactly one of us took the pearl' Who took the pearl?
Step 1: If Amit is truth-teller, then:
- Leena took the pearl (from statement 1).
- Exactly one person took the item (from statement 4).
- Leena says 'I did not take it' - FALSE, so Leena is liar (consistent).
- Kiran says 'Amit is truth-teller' - TRUE, so Kiran is truth-teller.
This gives: Amit=T, Leena=L, Kiran=T with Leena as thief.

Step 2: If Amit is liar, then:
- Leena did NOT take the item (statement 1 false).
- 'Exactly one person took it' is FALSE → either 0 or 2+ people took it.
- Since Leena didn't take it, someone else must have.
- Kiran says 'Amit is truth-teller' - FALSE, so Kiran is liar.
- Leena says 'I did not take it' - TRUE, so Leena is truth-teller.
- This gives Amit=L, Leena=T, Kiran=L with no thief identified - INCONSISTENT.

Therefore, the only consistent solution is Leena took the pearl.

Question 3

Deepa says: 'Amit took the pearl' Amit says: 'I did not take the pearl' Leena says: 'Deepa is a truth-teller' Deepa says: 'Exactly one of us took the pearl' Who took the pearl?
Step 1: If Deepa is truth-teller, then:
- Amit took the pearl (from statement 1).
- Exactly one person took the item (from statement 4).
- Amit says 'I did not take it' - FALSE, so Amit is liar (consistent).
- Leena says 'Deepa is truth-teller' - TRUE, so Leena is truth-teller.
This gives: Deepa=T, Amit=L, Leena=T with Amit as thief.

Step 2: If Deepa is liar, then:
- Amit did NOT take the item (statement 1 false).
- 'Exactly one person took it' is FALSE → either 0 or 2+ people took it.
- Since Amit didn't take it, someone else must have.
- Leena says 'Deepa is truth-teller' - FALSE, so Leena is liar.
- Amit says 'I did not take it' - TRUE, so Amit is truth-teller.
- This gives Deepa=L, Amit=T, Leena=L with no thief identified - INCONSISTENT.

Therefore, the only consistent solution is Amit took the pearl.

Question 4

Sanjay says: 'Kiran took the silver ring' Kiran says: 'I did not take the silver ring' Manoj says: 'Sanjay is a truth-teller' Sanjay says: 'Exactly one of us took the silver ring' Who took the silver ring?
Step 1: If Sanjay is truth-teller, then:
- Kiran took the silver ring (from statement 1).
- Exactly one person took the item (from statement 4).
- Kiran says 'I did not take it' - FALSE, so Kiran is liar (consistent).
- Manoj says 'Sanjay is truth-teller' - TRUE, so Manoj is truth-teller.
This gives: Sanjay=T, Kiran=L, Manoj=T with Kiran as thief.

Step 2: If Sanjay is liar, then:
- Kiran did NOT take the item (statement 1 false).
- 'Exactly one person took it' is FALSE → either 0 or 2+ people took it.
- Since Kiran didn't take it, someone else must have.
- Manoj says 'Sanjay is truth-teller' - FALSE, so Manoj is liar.
- Kiran says 'I did not take it' - TRUE, so Kiran is truth-teller.
- This gives Sanjay=L, Kiran=T, Manoj=L with no thief identified - INCONSISTENT.

Therefore, the only consistent solution is Kiran took the silver ring.

Question 5

Harsha says: 'Manoj took the gold coin' Manoj says: 'I did not take the gold coin' Gaurav says: 'Harsha is a truth-teller' Harsha says: 'Exactly one of us took the gold coin' Who took the gold coin?
Step 1: If Harsha is truth-teller, then:
- Manoj took the gold coin (from statement 1).
- Exactly one person took the item (from statement 4).
- Manoj says 'I did not take it' - FALSE, so Manoj is liar (consistent).
- Gaurav says 'Harsha is truth-teller' - TRUE, so Gaurav is truth-teller.
This gives: Harsha=T, Manoj=L, Gaurav=T with Manoj as thief.

Step 2: If Harsha is liar, then:
- Manoj did NOT take the item (statement 1 false).
- 'Exactly one person took it' is FALSE → either 0 or 2+ people took it.
- Since Manoj didn't take it, someone else must have.
- Gaurav says 'Harsha is truth-teller' - FALSE, so Gaurav is liar.
- Manoj says 'I did not take it' - TRUE, so Manoj is truth-teller.
- This gives Harsha=L, Manoj=T, Gaurav=L with no thief identified - INCONSISTENT.

Therefore, the only consistent solution is Manoj took the gold coin.

Question 6

Amit says: 'Kiran took the ruby' Kiran says: 'I did not take the ruby' Sunil says: 'Amit is a truth-teller' Amit says: 'Exactly one of us took the ruby' Who took the ruby?
Step 1: If Amit is truth-teller, then:
- Kiran took the ruby (from statement 1).
- Exactly one person took the item (from statement 4).
- Kiran says 'I did not take it' - FALSE, so Kiran is liar (consistent).
- Sunil says 'Amit is truth-teller' - TRUE, so Sunil is truth-teller.
This gives: Amit=T, Kiran=L, Sunil=T with Kiran as thief.

Step 2: If Amit is liar, then:
- Kiran did NOT take the item (statement 1 false).
- 'Exactly one person took it' is FALSE → either 0 or 2+ people took it.
- Since Kiran didn't take it, someone else must have.
- Sunil says 'Amit is truth-teller' - FALSE, so Sunil is liar.
- Kiran says 'I did not take it' - TRUE, so Kiran is truth-teller.
- This gives Amit=L, Kiran=T, Sunil=L with no thief identified - INCONSISTENT.

Therefore, the only consistent solution is Kiran took the ruby.

Question 7

Pooja says: 'Sanjay took the ruby' Sanjay says: 'I did not take the ruby' Gaurav says: 'Pooja is a truth-teller' Pooja says: 'Exactly one of us took the ruby' Who took the ruby?
Step 1: If Pooja is truth-teller, then:
- Sanjay took the ruby (from statement 1).
- Exactly one person took the item (from statement 4).
- Sanjay says 'I did not take it' - FALSE, so Sanjay is liar (consistent).
- Gaurav says 'Pooja is truth-teller' - TRUE, so Gaurav is truth-teller.
This gives: Pooja=T, Sanjay=L, Gaurav=T with Sanjay as thief.

Step 2: If Pooja is liar, then:
- Sanjay did NOT take the item (statement 1 false).
- 'Exactly one person took it' is FALSE → either 0 or 2+ people took it.
- Since Sanjay didn't take it, someone else must have.
- Gaurav says 'Pooja is truth-teller' - FALSE, so Gaurav is liar.
- Sanjay says 'I did not take it' - TRUE, so Sanjay is truth-teller.
- This gives Pooja=L, Sanjay=T, Gaurav=L with no thief identified - INCONSISTENT.

Therefore, the only consistent solution is Sanjay took the ruby.

Question 8

Amit says: 'Sunil took the emerald' Sunil says: 'I did not take the emerald' Vikram says: 'Amit is a truth-teller' Amit says: 'Exactly one of us took the emerald' Who took the emerald?
Step 1: If Amit is truth-teller, then:
- Sunil took the emerald (from statement 1).
- Exactly one person took the item (from statement 4).
- Sunil says 'I did not take it' - FALSE, so Sunil is liar (consistent).
- Vikram says 'Amit is truth-teller' - TRUE, so Vikram is truth-teller.
This gives: Amit=T, Sunil=L, Vikram=T with Sunil as thief.

Step 2: If Amit is liar, then:
- Sunil did NOT take the item (statement 1 false).
- 'Exactly one person took it' is FALSE → either 0 or 2+ people took it.
- Since Sunil didn't take it, someone else must have.
- Vikram says 'Amit is truth-teller' - FALSE, so Vikram is liar.
- Sunil says 'I did not take it' - TRUE, so Sunil is truth-teller.
- This gives Amit=L, Sunil=T, Vikram=L with no thief identified - INCONSISTENT.

Therefore, the only consistent solution is Sunil took the emerald.

Question 9

Meera says: 'Sunil took the crystal' Sunil says: 'I did not take the crystal' Amit says: 'Meera is a truth-teller' Meera says: 'Exactly one of us took the crystal' Who took the crystal?
Step 1: If Meera is truth-teller, then:
- Sunil took the crystal (from statement 1).
- Exactly one person took the item (from statement 4).
- Sunil says 'I did not take it' - FALSE, so Sunil is liar (consistent).
- Amit says 'Meera is truth-teller' - TRUE, so Amit is truth-teller.
This gives: Meera=T, Sunil=L, Amit=T with Sunil as thief.

Step 2: If Meera is liar, then:
- Sunil did NOT take the item (statement 1 false).
- 'Exactly one person took it' is FALSE → either 0 or 2+ people took it.
- Since Sunil didn't take it, someone else must have.
- Amit says 'Meera is truth-teller' - FALSE, so Amit is liar.
- Sunil says 'I did not take it' - TRUE, so Sunil is truth-teller.
- This gives Meera=L, Sunil=T, Amit=L with no thief identified - INCONSISTENT.

Therefore, the only consistent solution is Sunil took the crystal.

Question 10

Neha says: 'Farhan took the emerald' Farhan says: 'I did not take the emerald' Vikram says: 'Neha is a truth-teller' Neha says: 'Exactly one of us took the emerald' Who took the emerald?
Step 1: If Neha is truth-teller, then:
- Farhan took the emerald (from statement 1).
- Exactly one person took the item (from statement 4).
- Farhan says 'I did not take it' - FALSE, so Farhan is liar (consistent).
- Vikram says 'Neha is truth-teller' - TRUE, so Vikram is truth-teller.
This gives: Neha=T, Farhan=L, Vikram=T with Farhan as thief.

Step 2: If Neha is liar, then:
- Farhan did NOT take the item (statement 1 false).
- 'Exactly one person took it' is FALSE → either 0 or 2+ people took it.
- Since Farhan didn't take it, someone else must have.
- Vikram says 'Neha is truth-teller' - FALSE, so Vikram is liar.
- Farhan says 'I did not take it' - TRUE, so Farhan is truth-teller.
- This gives Neha=L, Farhan=T, Vikram=L with no thief identified - INCONSISTENT.

Therefore, the only consistent solution is Farhan took the emerald.

Question 11

Vikram says: 'Ravi took the sapphire' Ravi says: 'I did not take the sapphire' Amit says: 'Vikram is a truth-teller' Vikram says: 'Exactly one of us took the sapphire' Who took the sapphire?
Step 1: If Vikram is truth-teller, then:
- Ravi took the sapphire (from statement 1).
- Exactly one person took the item (from statement 4).
- Ravi says 'I did not take it' - FALSE, so Ravi is liar (consistent).
- Amit says 'Vikram is truth-teller' - TRUE, so Amit is truth-teller.
This gives: Vikram=T, Ravi=L, Amit=T with Ravi as thief.

Step 2: If Vikram is liar, then:
- Ravi did NOT take the item (statement 1 false).
- 'Exactly one person took it' is FALSE → either 0 or 2+ people took it.
- Since Ravi didn't take it, someone else must have.
- Amit says 'Vikram is truth-teller' - FALSE, so Amit is liar.
- Ravi says 'I did not take it' - TRUE, so Ravi is truth-teller.
- This gives Vikram=L, Ravi=T, Amit=L with no thief identified - INCONSISTENT.

Therefore, the only consistent solution is Ravi took the sapphire.

Question 12

Divya says: 'Ravi took the diamond' Ravi says: 'I did not take the diamond' Rahul says: 'Divya is a truth-teller' Divya says: 'Exactly one of us took the diamond' Who took the diamond?
Step 1: If Divya is truth-teller, then:
- Ravi took the diamond (from statement 1).
- Exactly one person took the item (from statement 4).
- Ravi says 'I did not take it' - FALSE, so Ravi is liar (consistent).
- Rahul says 'Divya is truth-teller' - TRUE, so Rahul is truth-teller.
This gives: Divya=T, Ravi=L, Rahul=T with Ravi as thief.

Step 2: If Divya is liar, then:
- Ravi did NOT take the item (statement 1 false).
- 'Exactly one person took it' is FALSE → either 0 or 2+ people took it.
- Since Ravi didn't take it, someone else must have.
- Rahul says 'Divya is truth-teller' - FALSE, so Rahul is liar.
- Ravi says 'I did not take it' - TRUE, so Ravi is truth-teller.
- This gives Divya=L, Ravi=T, Rahul=L with no thief identified - INCONSISTENT.

Therefore, the only consistent solution is Ravi took the diamond.

Question 13

Ravi says: 'Divya took the gold coin' Divya says: 'I did not take the gold coin' Gaurav says: 'Ravi is a truth-teller' Ravi says: 'Exactly one of us took the gold coin' Who took the gold coin?
Step 1: If Ravi is truth-teller, then:
- Divya took the gold coin (from statement 1).
- Exactly one person took the item (from statement 4).
- Divya says 'I did not take it' - FALSE, so Divya is liar (consistent).
- Gaurav says 'Ravi is truth-teller' - TRUE, so Gaurav is truth-teller.
This gives: Ravi=T, Divya=L, Gaurav=T with Divya as thief.

Step 2: If Ravi is liar, then:
- Divya did NOT take the item (statement 1 false).
- 'Exactly one person took it' is FALSE → either 0 or 2+ people took it.
- Since Divya didn't take it, someone else must have.
- Gaurav says 'Ravi is truth-teller' - FALSE, so Gaurav is liar.
- Divya says 'I did not take it' - TRUE, so Divya is truth-teller.
- This gives Ravi=L, Divya=T, Gaurav=L with no thief identified - INCONSISTENT.

Therefore, the only consistent solution is Divya took the gold coin.

Question 14

Deepa says: 'Kiran took the diamond' Kiran says: 'I did not take the diamond' Manoj says: 'Deepa is a truth-teller' Deepa says: 'Exactly one of us took the diamond' Who took the diamond?
Step 1: If Deepa is truth-teller, then:
- Kiran took the diamond (from statement 1).
- Exactly one person took the item (from statement 4).
- Kiran says 'I did not take it' - FALSE, so Kiran is liar (consistent).
- Manoj says 'Deepa is truth-teller' - TRUE, so Manoj is truth-teller.
This gives: Deepa=T, Kiran=L, Manoj=T with Kiran as thief.

Step 2: If Deepa is liar, then:
- Kiran did NOT take the item (statement 1 false).
- 'Exactly one person took it' is FALSE → either 0 or 2+ people took it.
- Since Kiran didn't take it, someone else must have.
- Manoj says 'Deepa is truth-teller' - FALSE, so Manoj is liar.
- Kiran says 'I did not take it' - TRUE, so Kiran is truth-teller.
- This gives Deepa=L, Kiran=T, Manoj=L with no thief identified - INCONSISTENT.

Therefore, the only consistent solution is Kiran took the diamond.

Question 15

Farhan says: 'Sunil took the silver ring' Sunil says: 'I did not take the silver ring' Meera says: 'Farhan is a truth-teller' Farhan says: 'Exactly one of us took the silver ring' Who took the silver ring?
Step 1: If Farhan is truth-teller, then:
- Sunil took the silver ring (from statement 1).
- Exactly one person took the item (from statement 4).
- Sunil says 'I did not take it' - FALSE, so Sunil is liar (consistent).
- Meera says 'Farhan is truth-teller' - TRUE, so Meera is truth-teller.
This gives: Farhan=T, Sunil=L, Meera=T with Sunil as thief.

Step 2: If Farhan is liar, then:
- Sunil did NOT take the item (statement 1 false).
- 'Exactly one person took it' is FALSE → either 0 or 2+ people took it.
- Since Sunil didn't take it, someone else must have.
- Meera says 'Farhan is truth-teller' - FALSE, so Meera is liar.
- Sunil says 'I did not take it' - TRUE, so Sunil is truth-teller.
- This gives Farhan=L, Sunil=T, Meera=L with no thief identified - INCONSISTENT.

Therefore, the only consistent solution is Sunil took the silver ring.

Question 16

Sanjay says: 'Priya took the bronze medal' Priya says: 'I did not take the bronze medal' Rahul says: 'Sanjay is a truth-teller' Sanjay says: 'Exactly one of us took the bronze medal' Who took the bronze medal?
Step 1: If Sanjay is truth-teller, then:
- Priya took the bronze medal (from statement 1).
- Exactly one person took the item (from statement 4).
- Priya says 'I did not take it' - FALSE, so Priya is liar (consistent).
- Rahul says 'Sanjay is truth-teller' - TRUE, so Rahul is truth-teller.
This gives: Sanjay=T, Priya=L, Rahul=T with Priya as thief.

Step 2: If Sanjay is liar, then:
- Priya did NOT take the item (statement 1 false).
- 'Exactly one person took it' is FALSE → either 0 or 2+ people took it.
- Since Priya didn't take it, someone else must have.
- Rahul says 'Sanjay is truth-teller' - FALSE, so Rahul is liar.
- Priya says 'I did not take it' - TRUE, so Priya is truth-teller.
- This gives Sanjay=L, Priya=T, Rahul=L with no thief identified - INCONSISTENT.

Therefore, the only consistent solution is Priya took the bronze medal.

Question 17

Kiran says: 'Farhan took the ruby' Farhan says: 'I did not take the ruby' Pooja says: 'Kiran is a truth-teller' Kiran says: 'Exactly one of us took the ruby' Who took the ruby?
Step 1: If Kiran is truth-teller, then:
- Farhan took the ruby (from statement 1).
- Exactly one person took the item (from statement 4).
- Farhan says 'I did not take it' - FALSE, so Farhan is liar (consistent).
- Pooja says 'Kiran is truth-teller' - TRUE, so Pooja is truth-teller.
This gives: Kiran=T, Farhan=L, Pooja=T with Farhan as thief.

Step 2: If Kiran is liar, then:
- Farhan did NOT take the item (statement 1 false).
- 'Exactly one person took it' is FALSE → either 0 or 2+ people took it.
- Since Farhan didn't take it, someone else must have.
- Pooja says 'Kiran is truth-teller' - FALSE, so Pooja is liar.
- Farhan says 'I did not take it' - TRUE, so Farhan is truth-teller.
- This gives Kiran=L, Farhan=T, Pooja=L with no thief identified - INCONSISTENT.

Therefore, the only consistent solution is Farhan took the ruby.

Question 18

Farhan says: 'Manoj took the bronze medal' Manoj says: 'I did not take the bronze medal' Harsha says: 'Farhan is a truth-teller' Farhan says: 'Exactly one of us took the bronze medal' Who took the bronze medal?
Step 1: If Farhan is truth-teller, then:
- Manoj took the bronze medal (from statement 1).
- Exactly one person took the item (from statement 4).
- Manoj says 'I did not take it' - FALSE, so Manoj is liar (consistent).
- Harsha says 'Farhan is truth-teller' - TRUE, so Harsha is truth-teller.
This gives: Farhan=T, Manoj=L, Harsha=T with Manoj as thief.

Step 2: If Farhan is liar, then:
- Manoj did NOT take the item (statement 1 false).
- 'Exactly one person took it' is FALSE → either 0 or 2+ people took it.
- Since Manoj didn't take it, someone else must have.
- Harsha says 'Farhan is truth-teller' - FALSE, so Harsha is liar.
- Manoj says 'I did not take it' - TRUE, so Manoj is truth-teller.
- This gives Farhan=L, Manoj=T, Harsha=L with no thief identified - INCONSISTENT.

Therefore, the only consistent solution is Manoj took the bronze medal.

Question 19

Manoj says: 'Sunil took the ruby' Sunil says: 'I did not take the ruby' Sanjay says: 'Manoj is a truth-teller' Manoj says: 'Exactly one of us took the ruby' Who took the ruby?
Step 1: If Manoj is truth-teller, then:
- Sunil took the ruby (from statement 1).
- Exactly one person took the item (from statement 4).
- Sunil says 'I did not take it' - FALSE, so Sunil is liar (consistent).
- Sanjay says 'Manoj is truth-teller' - TRUE, so Sanjay is truth-teller.
This gives: Manoj=T, Sunil=L, Sanjay=T with Sunil as thief.

Step 2: If Manoj is liar, then:
- Sunil did NOT take the item (statement 1 false).
- 'Exactly one person took it' is FALSE → either 0 or 2+ people took it.
- Since Sunil didn't take it, someone else must have.
- Sanjay says 'Manoj is truth-teller' - FALSE, so Sanjay is liar.
- Sunil says 'I did not take it' - TRUE, so Sunil is truth-teller.
- This gives Manoj=L, Sunil=T, Sanjay=L with no thief identified - INCONSISTENT.

Therefore, the only consistent solution is Sunil took the ruby.

Question 20

Deepa says: 'Gaurav took the diamond' Gaurav says: 'I did not take the diamond' Rohan says: 'Deepa is a truth-teller' Deepa says: 'Exactly one of us took the diamond' Who took the diamond?
Step 1: If Deepa is truth-teller, then:
- Gaurav took the diamond (from statement 1).
- Exactly one person took the item (from statement 4).
- Gaurav says 'I did not take it' - FALSE, so Gaurav is liar (consistent).
- Rohan says 'Deepa is truth-teller' - TRUE, so Rohan is truth-teller.
This gives: Deepa=T, Gaurav=L, Rohan=T with Gaurav as thief.

Step 2: If Deepa is liar, then:
- Gaurav did NOT take the item (statement 1 false).
- 'Exactly one person took it' is FALSE → either 0 or 2+ people took it.
- Since Gaurav didn't take it, someone else must have.
- Rohan says 'Deepa is truth-teller' - FALSE, so Rohan is liar.
- Gaurav says 'I did not take it' - TRUE, so Gaurav is truth-teller.
- This gives Deepa=L, Gaurav=T, Rohan=L with no thief identified - INCONSISTENT.

Therefore, the only consistent solution is Gaurav took the diamond.
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