competition_setting_claims Advanced Worksheet: Focus on exam-oriented approach competition_setting_claims ADVANCED

Let's solve by cases:

Case 1: Rahul came first.
Then statement 1 is true, statement 2 is false.
If statement 2 is false, then Vikram is liar.
Statement 3: Ravi says 'I came second' - unknown.
Statement 4: Sanjay says 'Ravi is lying'.
This leads to multiple possibilities.

Case 2: Vikram came first.
Then statement 1 is false → Rahul is liar.
Statement 2 is true → Vikram is truth-teller.
If Ravi came second, statement 3 is true → Ravi is truth-teller.
Then statement 4 says 'Ravi is lying' - false → Sanjay is liar.
This gives 2 truth-tellers (Vikram, Ravi) and 2 liars, consistent.

Therefore, the only consistent assignment is Vikram came first.

Let's solve by cases:

Case 1: Leena came first.
Then statement 1 is true, statement 2 is false.
If statement 2 is false, then Rahul is liar.
Statement 3: Vikram says 'I came second' - unknown.
Statement 4: Harsha says 'Vikram is lying'.
This leads to multiple possibilities.

Case 2: Rahul came first.
Then statement 1 is false → Leena is liar.
Statement 2 is true → Rahul is truth-teller.
If Vikram came second, statement 3 is true → Vikram is truth-teller.
Then statement 4 says 'Vikram is lying' - false → Harsha is liar.
This gives 2 truth-tellers (Rahul, Vikram) and 2 liars, consistent.

Therefore, the only consistent assignment is Rahul came first.

Let's solve by cases:

Case 1: Kiran came first.
Then statement 1 is true, statement 2 is false.
If statement 2 is false, then Meera is liar.
Statement 3: Leena says 'I came second' - unknown.
Statement 4: Amit says 'Leena is lying'.
This leads to multiple possibilities.

Case 2: Meera came first.
Then statement 1 is false → Kiran is liar.
Statement 2 is true → Meera is truth-teller.
If Leena came second, statement 3 is true → Leena is truth-teller.
Then statement 4 says 'Leena is lying' - false → Amit is liar.
This gives 2 truth-tellers (Meera, Leena) and 2 liars, consistent.

Therefore, the only consistent assignment is Meera came first.

Let's solve by cases:

Case 1: Harsha came first.
Then statement 1 is true, statement 2 is false.
If statement 2 is false, then Rahul is liar.
Statement 3: Neha says 'I came second' - unknown.
Statement 4: Anita says 'Neha is lying'.
This leads to multiple possibilities.

Case 2: Rahul came first.
Then statement 1 is false → Harsha is liar.
Statement 2 is true → Rahul is truth-teller.
If Neha came second, statement 3 is true → Neha is truth-teller.
Then statement 4 says 'Neha is lying' - false → Anita is liar.
This gives 2 truth-tellers (Rahul, Neha) and 2 liars, consistent.

Therefore, the only consistent assignment is Rahul came first.

Let's solve by cases:

Case 1: Meera came first.
Then statement 1 is true, statement 2 is false.
If statement 2 is false, then Anita is liar.
Statement 3: Rahul says 'I came second' - unknown.
Statement 4: Amit says 'Rahul is lying'.
This leads to multiple possibilities.

Case 2: Anita came first.
Then statement 1 is false → Meera is liar.
Statement 2 is true → Anita is truth-teller.
If Rahul came second, statement 3 is true → Rahul is truth-teller.
Then statement 4 says 'Rahul is lying' - false → Amit is liar.
This gives 2 truth-tellers (Anita, Rahul) and 2 liars, consistent.

Therefore, the only consistent assignment is Anita came first.

Let's solve by cases:

Case 1: Rahul came first.
Then statement 1 is true, statement 2 is false.
If statement 2 is false, then Harsha is liar.
Statement 3: Deepa says 'I came second' - unknown.
Statement 4: Divya says 'Deepa is lying'.
This leads to multiple possibilities.

Case 2: Harsha came first.
Then statement 1 is false → Rahul is liar.
Statement 2 is true → Harsha is truth-teller.
If Deepa came second, statement 3 is true → Deepa is truth-teller.
Then statement 4 says 'Deepa is lying' - false → Divya is liar.
This gives 2 truth-tellers (Harsha, Deepa) and 2 liars, consistent.

Therefore, the only consistent assignment is Harsha came first.

Let's solve by cases:

Case 1: Priya came first.
Then statement 1 is true, statement 2 is false.
If statement 2 is false, then Vikram is liar.
Statement 3: Gaurav says 'I came second' - unknown.
Statement 4: Harsha says 'Gaurav is lying'.
This leads to multiple possibilities.

Case 2: Vikram came first.
Then statement 1 is false → Priya is liar.
Statement 2 is true → Vikram is truth-teller.
If Gaurav came second, statement 3 is true → Gaurav is truth-teller.
Then statement 4 says 'Gaurav is lying' - false → Harsha is liar.
This gives 2 truth-tellers (Vikram, Gaurav) and 2 liars, consistent.

Therefore, the only consistent assignment is Vikram came first.

Let's solve by cases:

Case 1: Rohan came first.
Then statement 1 is true, statement 2 is false.
If statement 2 is false, then Neha is liar.
Statement 3: Sunil says 'I came second' - unknown.
Statement 4: Deepa says 'Sunil is lying'.
This leads to multiple possibilities.

Case 2: Neha came first.
Then statement 1 is false → Rohan is liar.
Statement 2 is true → Neha is truth-teller.
If Sunil came second, statement 3 is true → Sunil is truth-teller.
Then statement 4 says 'Sunil is lying' - false → Deepa is liar.
This gives 2 truth-tellers (Neha, Sunil) and 2 liars, consistent.

Therefore, the only consistent assignment is Neha came first.

Let's solve by cases:

Case 1: Rohan came first.
Then statement 1 is true, statement 2 is false.
If statement 2 is false, then Divya is liar.
Statement 3: Priya says 'I came second' - unknown.
Statement 4: Vikram says 'Priya is lying'.
This leads to multiple possibilities.

Case 2: Divya came first.
Then statement 1 is false → Rohan is liar.
Statement 2 is true → Divya is truth-teller.
If Priya came second, statement 3 is true → Priya is truth-teller.
Then statement 4 says 'Priya is lying' - false → Vikram is liar.
This gives 2 truth-tellers (Divya, Priya) and 2 liars, consistent.

Therefore, the only consistent assignment is Divya came first.

Let's solve by cases:

Case 1: Farhan came first.
Then statement 1 is true, statement 2 is false.
If statement 2 is false, then Leena is liar.
Statement 3: Gaurav says 'I came second' - unknown.
Statement 4: Sunil says 'Gaurav is lying'.
This leads to multiple possibilities.

Case 2: Leena came first.
Then statement 1 is false → Farhan is liar.
Statement 2 is true → Leena is truth-teller.
If Gaurav came second, statement 3 is true → Gaurav is truth-teller.
Then statement 4 says 'Gaurav is lying' - false → Sunil is liar.
This gives 2 truth-tellers (Leena, Gaurav) and 2 liars, consistent.

Therefore, the only consistent assignment is Leena came first.

Let's solve by cases:

Case 1: Sunil came first.
Then statement 1 is true, statement 2 is false.
If statement 2 is false, then Anita is liar.
Statement 3: Kiran says 'I came second' - unknown.
Statement 4: Priya says 'Kiran is lying'.
This leads to multiple possibilities.

Case 2: Anita came first.
Then statement 1 is false → Sunil is liar.
Statement 2 is true → Anita is truth-teller.
If Kiran came second, statement 3 is true → Kiran is truth-teller.
Then statement 4 says 'Kiran is lying' - false → Priya is liar.
This gives 2 truth-tellers (Anita, Kiran) and 2 liars, consistent.

Therefore, the only consistent assignment is Anita came first.

Let's solve by cases:

Case 1: Meera came first.
Then statement 1 is true, statement 2 is false.
If statement 2 is false, then Neha is liar.
Statement 3: Rohan says 'I came second' - unknown.
Statement 4: Divya says 'Rohan is lying'.
This leads to multiple possibilities.

Case 2: Neha came first.
Then statement 1 is false → Meera is liar.
Statement 2 is true → Neha is truth-teller.
If Rohan came second, statement 3 is true → Rohan is truth-teller.
Then statement 4 says 'Rohan is lying' - false → Divya is liar.
This gives 2 truth-tellers (Neha, Rohan) and 2 liars, consistent.

Therefore, the only consistent assignment is Neha came first.

Let's solve by cases:

Case 1: Sanjay came first.
Then statement 1 is true, statement 2 is false.
If statement 2 is false, then Pooja is liar.
Statement 3: Neha says 'I came second' - unknown.
Statement 4: Vikram says 'Neha is lying'.
This leads to multiple possibilities.

Case 2: Pooja came first.
Then statement 1 is false → Sanjay is liar.
Statement 2 is true → Pooja is truth-teller.
If Neha came second, statement 3 is true → Neha is truth-teller.
Then statement 4 says 'Neha is lying' - false → Vikram is liar.
This gives 2 truth-tellers (Pooja, Neha) and 2 liars, consistent.

Therefore, the only consistent assignment is Pooja came first.

Let's solve by cases:

Case 1: Harsha came first.
Then statement 1 is true, statement 2 is false.
If statement 2 is false, then Sanjay is liar.
Statement 3: Anita says 'I came second' - unknown.
Statement 4: Neha says 'Anita is lying'.
This leads to multiple possibilities.

Case 2: Sanjay came first.
Then statement 1 is false → Harsha is liar.
Statement 2 is true → Sanjay is truth-teller.
If Anita came second, statement 3 is true → Anita is truth-teller.
Then statement 4 says 'Anita is lying' - false → Neha is liar.
This gives 2 truth-tellers (Sanjay, Anita) and 2 liars, consistent.

Therefore, the only consistent assignment is Sanjay came first.

Let's solve by cases:

Case 1: Sanjay came first.
Then statement 1 is true, statement 2 is false.
If statement 2 is false, then Pooja is liar.
Statement 3: Divya says 'I came second' - unknown.
Statement 4: Amit says 'Divya is lying'.
This leads to multiple possibilities.

Case 2: Pooja came first.
Then statement 1 is false → Sanjay is liar.
Statement 2 is true → Pooja is truth-teller.
If Divya came second, statement 3 is true → Divya is truth-teller.
Then statement 4 says 'Divya is lying' - false → Amit is liar.
This gives 2 truth-tellers (Pooja, Divya) and 2 liars, consistent.

Therefore, the only consistent assignment is Pooja came first.

Let's solve by cases:

Case 1: Harsha came first.
Then statement 1 is true, statement 2 is false.
If statement 2 is false, then Priya is liar.
Statement 3: Kiran says 'I came second' - unknown.
Statement 4: Rohan says 'Kiran is lying'.
This leads to multiple possibilities.

Case 2: Priya came first.
Then statement 1 is false → Harsha is liar.
Statement 2 is true → Priya is truth-teller.
If Kiran came second, statement 3 is true → Kiran is truth-teller.
Then statement 4 says 'Kiran is lying' - false → Rohan is liar.
This gives 2 truth-tellers (Priya, Kiran) and 2 liars, consistent.

Therefore, the only consistent assignment is Priya came first.

Let's solve by cases:

Case 1: Sanjay came first.
Then statement 1 is true, statement 2 is false.
If statement 2 is false, then Harsha is liar.
Statement 3: Meera says 'I came second' - unknown.
Statement 4: Divya says 'Meera is lying'.
This leads to multiple possibilities.

Case 2: Harsha came first.
Then statement 1 is false → Sanjay is liar.
Statement 2 is true → Harsha is truth-teller.
If Meera came second, statement 3 is true → Meera is truth-teller.
Then statement 4 says 'Meera is lying' - false → Divya is liar.
This gives 2 truth-tellers (Harsha, Meera) and 2 liars, consistent.

Therefore, the only consistent assignment is Harsha came first.

Let's solve by cases:

Case 1: Amit came first.
Then statement 1 is true, statement 2 is false.
If statement 2 is false, then Gaurav is liar.
Statement 3: Anita says 'I came second' - unknown.
Statement 4: Vikram says 'Anita is lying'.
This leads to multiple possibilities.

Case 2: Gaurav came first.
Then statement 1 is false → Amit is liar.
Statement 2 is true → Gaurav is truth-teller.
If Anita came second, statement 3 is true → Anita is truth-teller.
Then statement 4 says 'Anita is lying' - false → Vikram is liar.
This gives 2 truth-tellers (Gaurav, Anita) and 2 liars, consistent.

Therefore, the only consistent assignment is Gaurav came first.

Let's solve by cases:

Case 1: Deepa came first.
Then statement 1 is true, statement 2 is false.
If statement 2 is false, then Sunil is liar.
Statement 3: Meera says 'I came second' - unknown.
Statement 4: Kiran says 'Meera is lying'.
This leads to multiple possibilities.

Case 2: Sunil came first.
Then statement 1 is false → Deepa is liar.
Statement 2 is true → Sunil is truth-teller.
If Meera came second, statement 3 is true → Meera is truth-teller.
Then statement 4 says 'Meera is lying' - false → Kiran is liar.
This gives 2 truth-tellers (Sunil, Meera) and 2 liars, consistent.

Therefore, the only consistent assignment is Sunil came first.

Let's solve by cases:

Case 1: Leena came first.
Then statement 1 is true, statement 2 is false.
If statement 2 is false, then Deepa is liar.
Statement 3: Gaurav says 'I came second' - unknown.
Statement 4: Neha says 'Gaurav is lying'.
This leads to multiple possibilities.

Case 2: Deepa came first.
Then statement 1 is false → Leena is liar.
Statement 2 is true → Deepa is truth-teller.
If Gaurav came second, statement 3 is true → Gaurav is truth-teller.
Then statement 4 says 'Gaurav is lying' - false → Neha is liar.
This gives 2 truth-tellers (Deepa, Gaurav) and 2 liars, consistent.

Therefore, the only consistent assignment is Deepa came first.