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coded_binary_logic Beginner-Intermediate Worksheet: Focus on common variations practice coded_binary_logic BEGINNER INTERMEDIATE

Level up your coded_binary_logic skills! You're at Worksheet 4 of 10 (33% through this series). This step-up challenge worksheet features 20 beginner-intermediate-level problems with a focus on common variations practice. Topics covered: coded_binary_logic for competitive exams, how to solve coded_binary_logic, coded_binary_logic tricks.

📝 Worksheet 4 of 10 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Beginner Intermediate level

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Worksheet 4 of 10 (33% complete)

Question 1

Amit says: 'My code starts with 1' Ravi says: 'Amit is lying about their code' Farhan says: 'The correct code has exactly two 1s' Kiran says: 'My code ends with 0' Each person has a 4-digit code where 1=truth-teller, 0=liar. The code represents the sequence of T/L for P0, P1, P2, P3 respectively. What is the correct code?
The code represents the truth pattern: 1=truth-teller, 0=liar.

Testing each possible code:
- Code 1010 makes all statements consistent:
* Amit's statement is true → matches bit 1
* Ravi's statement is false → matches bit 0
* Farhan's statement is true → matches bit 1
* Kiran's statement is true → matches bit 0

No other code satisfies all constraints.
Therefore, the correct code is 1010.

Question 2

Divya says: 'My code starts with 1' Meera says: 'Divya is lying about their code' Neha says: 'The correct code has exactly two 1s' Rahul says: 'My code ends with 0' Each person has a 4-digit code where 1=truth-teller, 0=liar. The code represents the sequence of T/L for P0, P1, P2, P3 respectively. What is the correct code?
The code represents the truth pattern: 1=truth-teller, 0=liar.

Testing each possible code:
- Code 1100 makes all statements consistent:
* Divya's statement is true → matches bit 1
* Meera's statement is false → matches bit 1
* Neha's statement is true → matches bit 0
* Rahul's statement is true → matches bit 0

No other code satisfies all constraints.
Therefore, the correct code is 1100.

Question 3

Farhan says: 'My code starts with 1' Kiran says: 'Farhan is lying about their code' Anita says: 'The correct code has exactly two 1s' Deepa says: 'My code ends with 0' Each person has a 4-digit code where 1=truth-teller, 0=liar. The code represents the sequence of T/L for P0, P1, P2, P3 respectively. What is the correct code?
The code represents the truth pattern: 1=truth-teller, 0=liar.

Testing each possible code:
- Code 1100 makes all statements consistent:
* Farhan's statement is true → matches bit 1
* Kiran's statement is false → matches bit 1
* Anita's statement is true → matches bit 0
* Deepa's statement is true → matches bit 0

No other code satisfies all constraints.
Therefore, the correct code is 1100.

Question 4

Sanjay says: 'My code starts with 1' Manoj says: 'Sanjay is lying about their code' Sunil says: 'The correct code has exactly two 1s' Ravi says: 'My code ends with 0' Each person has a 4-digit code where 1=truth-teller, 0=liar. The code represents the sequence of T/L for P0, P1, P2, P3 respectively. What is the correct code?
The code represents the truth pattern: 1=truth-teller, 0=liar.

Testing each possible code:
- Code 1001 makes all statements consistent:
* Sanjay's statement is true → matches bit 1
* Manoj's statement is false → matches bit 0
* Sunil's statement is true → matches bit 0
* Ravi's statement is false → matches bit 1

No other code satisfies all constraints.
Therefore, the correct code is 1001.

Question 5

Neha says: 'My code starts with 1' Ravi says: 'Neha is lying about their code' Kiran says: 'The correct code has exactly two 1s' Pooja says: 'My code ends with 0' Each person has a 4-digit code where 1=truth-teller, 0=liar. The code represents the sequence of T/L for P0, P1, P2, P3 respectively. What is the correct code?
The code represents the truth pattern: 1=truth-teller, 0=liar.

Testing each possible code:
- Code 0110 makes all statements consistent:
* Neha's statement is false → matches bit 0
* Ravi's statement is true → matches bit 1
* Kiran's statement is true → matches bit 1
* Pooja's statement is true → matches bit 0

No other code satisfies all constraints.
Therefore, the correct code is 0110.

Question 6

Manoj says: 'My code starts with 1' Gaurav says: 'Manoj is lying about their code' Farhan says: 'The correct code has exactly two 1s' Neha says: 'My code ends with 0' Each person has a 4-digit code where 1=truth-teller, 0=liar. The code represents the sequence of T/L for P0, P1, P2, P3 respectively. What is the correct code?
The code represents the truth pattern: 1=truth-teller, 0=liar.

Testing each possible code:
- Code 1100 makes all statements consistent:
* Manoj's statement is true → matches bit 1
* Gaurav's statement is false → matches bit 1
* Farhan's statement is true → matches bit 0
* Neha's statement is true → matches bit 0

No other code satisfies all constraints.
Therefore, the correct code is 1100.

Question 7

Meera says: 'My code starts with 1' Ravi says: 'Meera is lying about their code' Deepa says: 'The correct code has exactly two 1s' Manoj says: 'My code ends with 0' Each person has a 4-digit code where 1=truth-teller, 0=liar. The code represents the sequence of T/L for P0, P1, P2, P3 respectively. What is the correct code?
The code represents the truth pattern: 1=truth-teller, 0=liar.

Testing each possible code:
- Code 1001 makes all statements consistent:
* Meera's statement is true → matches bit 1
* Ravi's statement is false → matches bit 0
* Deepa's statement is true → matches bit 0
* Manoj's statement is false → matches bit 1

No other code satisfies all constraints.
Therefore, the correct code is 1001.

Question 8

Ravi says: 'My code starts with 1' Leena says: 'Ravi is lying about their code' Amit says: 'The correct code has exactly two 1s' Anita says: 'My code ends with 0' Each person has a 4-digit code where 1=truth-teller, 0=liar. The code represents the sequence of T/L for P0, P1, P2, P3 respectively. What is the correct code?
The code represents the truth pattern: 1=truth-teller, 0=liar.

Testing each possible code:
- Code 0110 makes all statements consistent:
* Ravi's statement is false → matches bit 0
* Leena's statement is true → matches bit 1
* Amit's statement is true → matches bit 1
* Anita's statement is true → matches bit 0

No other code satisfies all constraints.
Therefore, the correct code is 0110.

Question 9

Vikram says: 'My code starts with 1' Meera says: 'Vikram is lying about their code' Priya says: 'The correct code has exactly two 1s' Manoj says: 'My code ends with 0' Each person has a 4-digit code where 1=truth-teller, 0=liar. The code represents the sequence of T/L for P0, P1, P2, P3 respectively. What is the correct code?
The code represents the truth pattern: 1=truth-teller, 0=liar.

Testing each possible code:
- Code 1010 makes all statements consistent:
* Vikram's statement is true → matches bit 1
* Meera's statement is false → matches bit 0
* Priya's statement is true → matches bit 1
* Manoj's statement is true → matches bit 0

No other code satisfies all constraints.
Therefore, the correct code is 1010.

Question 10

Sunil says: 'My code starts with 1' Anita says: 'Sunil is lying about their code' Kiran says: 'The correct code has exactly two 1s' Farhan says: 'My code ends with 0' Each person has a 4-digit code where 1=truth-teller, 0=liar. The code represents the sequence of T/L for P0, P1, P2, P3 respectively. What is the correct code?
The code represents the truth pattern: 1=truth-teller, 0=liar.

Testing each possible code:
- Code 1001 makes all statements consistent:
* Sunil's statement is true → matches bit 1
* Anita's statement is false → matches bit 0
* Kiran's statement is true → matches bit 0
* Farhan's statement is false → matches bit 1

No other code satisfies all constraints.
Therefore, the correct code is 1001.

Question 11

Harsha says: 'My code starts with 1' Amit says: 'Harsha is lying about their code' Ravi says: 'The correct code has exactly two 1s' Manoj says: 'My code ends with 0' Each person has a 4-digit code where 1=truth-teller, 0=liar. The code represents the sequence of T/L for P0, P1, P2, P3 respectively. What is the correct code?
The code represents the truth pattern: 1=truth-teller, 0=liar.

Testing each possible code:
- Code 1001 makes all statements consistent:
* Harsha's statement is true → matches bit 1
* Amit's statement is false → matches bit 0
* Ravi's statement is true → matches bit 0
* Manoj's statement is false → matches bit 1

No other code satisfies all constraints.
Therefore, the correct code is 1001.

Question 12

Rohan says: 'My code starts with 1' Farhan says: 'Rohan is lying about their code' Deepa says: 'The correct code has exactly two 1s' Manoj says: 'My code ends with 0' Each person has a 4-digit code where 1=truth-teller, 0=liar. The code represents the sequence of T/L for P0, P1, P2, P3 respectively. What is the correct code?
The code represents the truth pattern: 1=truth-teller, 0=liar.

Testing each possible code:
- Code 1100 makes all statements consistent:
* Rohan's statement is true → matches bit 1
* Farhan's statement is false → matches bit 1
* Deepa's statement is true → matches bit 0
* Manoj's statement is true → matches bit 0

No other code satisfies all constraints.
Therefore, the correct code is 1100.

Question 13

Ravi says: 'My code starts with 1' Sunil says: 'Ravi is lying about their code' Priya says: 'The correct code has exactly two 1s' Kiran says: 'My code ends with 0' Each person has a 4-digit code where 1=truth-teller, 0=liar. The code represents the sequence of T/L for P0, P1, P2, P3 respectively. What is the correct code?
The code represents the truth pattern: 1=truth-teller, 0=liar.

Testing each possible code:
- Code 1010 makes all statements consistent:
* Ravi's statement is true → matches bit 1
* Sunil's statement is false → matches bit 0
* Priya's statement is true → matches bit 1
* Kiran's statement is true → matches bit 0

No other code satisfies all constraints.
Therefore, the correct code is 1010.

Question 14

Gaurav says: 'My code starts with 1' Amit says: 'Gaurav is lying about their code' Neha says: 'The correct code has exactly two 1s' Pooja says: 'My code ends with 0' Each person has a 4-digit code where 1=truth-teller, 0=liar. The code represents the sequence of T/L for P0, P1, P2, P3 respectively. What is the correct code?
The code represents the truth pattern: 1=truth-teller, 0=liar.

Testing each possible code:
- Code 1001 makes all statements consistent:
* Gaurav's statement is true → matches bit 1
* Amit's statement is false → matches bit 0
* Neha's statement is true → matches bit 0
* Pooja's statement is false → matches bit 1

No other code satisfies all constraints.
Therefore, the correct code is 1001.

Question 15

Meera says: 'My code starts with 1' Priya says: 'Meera is lying about their code' Gaurav says: 'The correct code has exactly two 1s' Leena says: 'My code ends with 0' Each person has a 4-digit code where 1=truth-teller, 0=liar. The code represents the sequence of T/L for P0, P1, P2, P3 respectively. What is the correct code?
The code represents the truth pattern: 1=truth-teller, 0=liar.

Testing each possible code:
- Code 1001 makes all statements consistent:
* Meera's statement is true → matches bit 1
* Priya's statement is false → matches bit 0
* Gaurav's statement is true → matches bit 0
* Leena's statement is false → matches bit 1

No other code satisfies all constraints.
Therefore, the correct code is 1001.

Question 16

Leena says: 'My code starts with 1' Meera says: 'Leena is lying about their code' Neha says: 'The correct code has exactly two 1s' Sanjay says: 'My code ends with 0' Each person has a 4-digit code where 1=truth-teller, 0=liar. The code represents the sequence of T/L for P0, P1, P2, P3 respectively. What is the correct code?
The code represents the truth pattern: 1=truth-teller, 0=liar.

Testing each possible code:
- Code 1100 makes all statements consistent:
* Leena's statement is true → matches bit 1
* Meera's statement is false → matches bit 1
* Neha's statement is true → matches bit 0
* Sanjay's statement is true → matches bit 0

No other code satisfies all constraints.
Therefore, the correct code is 1100.

Question 17

Vikram says: 'My code starts with 1' Gaurav says: 'Vikram is lying about their code' Pooja says: 'The correct code has exactly two 1s' Harsha says: 'My code ends with 0' Each person has a 4-digit code where 1=truth-teller, 0=liar. The code represents the sequence of T/L for P0, P1, P2, P3 respectively. What is the correct code?
The code represents the truth pattern: 1=truth-teller, 0=liar.

Testing each possible code:
- Code 1010 makes all statements consistent:
* Vikram's statement is true → matches bit 1
* Gaurav's statement is false → matches bit 0
* Pooja's statement is true → matches bit 1
* Harsha's statement is true → matches bit 0

No other code satisfies all constraints.
Therefore, the correct code is 1010.

Question 18

Amit says: 'My code starts with 1' Deepa says: 'Amit is lying about their code' Neha says: 'The correct code has exactly two 1s' Vikram says: 'My code ends with 0' Each person has a 4-digit code where 1=truth-teller, 0=liar. The code represents the sequence of T/L for P0, P1, P2, P3 respectively. What is the correct code?
The code represents the truth pattern: 1=truth-teller, 0=liar.

Testing each possible code:
- Code 0110 makes all statements consistent:
* Amit's statement is false → matches bit 0
* Deepa's statement is true → matches bit 1
* Neha's statement is true → matches bit 1
* Vikram's statement is true → matches bit 0

No other code satisfies all constraints.
Therefore, the correct code is 0110.

Question 19

Amit says: 'My code starts with 1' Harsha says: 'Amit is lying about their code' Manoj says: 'The correct code has exactly two 1s' Sanjay says: 'My code ends with 0' Each person has a 4-digit code where 1=truth-teller, 0=liar. The code represents the sequence of T/L for P0, P1, P2, P3 respectively. What is the correct code?
The code represents the truth pattern: 1=truth-teller, 0=liar.

Testing each possible code:
- Code 0110 makes all statements consistent:
* Amit's statement is false → matches bit 0
* Harsha's statement is true → matches bit 1
* Manoj's statement is true → matches bit 1
* Sanjay's statement is true → matches bit 0

No other code satisfies all constraints.
Therefore, the correct code is 0110.

Question 20

Sunil says: 'My code starts with 1' Pooja says: 'Sunil is lying about their code' Meera says: 'The correct code has exactly two 1s' Divya says: 'My code ends with 0' Each person has a 4-digit code where 1=truth-teller, 0=liar. The code represents the sequence of T/L for P0, P1, P2, P3 respectively. What is the correct code?
The code represents the truth pattern: 1=truth-teller, 0=liar.

Testing each possible code:
- Code 1100 makes all statements consistent:
* Sunil's statement is true → matches bit 1
* Pooja's statement is false → matches bit 1
* Meera's statement is true → matches bit 0
* Divya's statement is true → matches bit 0

No other code satisfies all constraints.
Therefore, the correct code is 1100.
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