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coded_binary_logic: Worksheet 2 - Beginner Practice coded_binary_logic BEGINNER

Ready to master coded_binary_logic? This entry level practice worksheet (2/10) presents 20 beginner-level challenges. Focus area: pattern recognition. Learn to solve coded_binary_logic reasoning questions, handle coded_binary_logic practice, and perfect coded_binary_logic for competitive exams with our step-by-step solutions.

📝 Worksheet 2 of 10 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Beginner level

What you'll learn in this worksheet:
Your progress through coded_binary_logic
Worksheet 2 of 10 (11% complete)

Question 1

Anita says: 'My code starts with 1' Sanjay says: 'Anita is lying about their code' Rohan 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 1100 makes all statements consistent:
* Anita's statement is true → matches bit 1
* Sanjay's statement is false → matches bit 1
* Rohan's statement is true → matches bit 0
* Leena's statement is true → matches bit 0

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

Question 2

Amit says: 'My code starts with 1' Sunil says: 'Amit is lying about their code' Priya 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 0110 makes all statements consistent:
* Amit's statement is false → matches bit 0
* Sunil's statement is true → matches bit 1
* Priya's statement is true → matches bit 1
* Deepa's statement is true → matches bit 0

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

Question 3

Leena says: 'My code starts with 1' Gaurav says: 'Leena is lying about their code' Meera 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:
* Leena's statement is false → matches bit 0
* Gaurav's statement is true → matches bit 1
* Meera'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 4

Sanjay says: 'My code starts with 1' Priya says: 'Sanjay is lying about their code' Vikram 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:
* Sanjay's statement is true → matches bit 1
* Priya's statement is false → matches bit 0
* Vikram'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 5

Leena says: 'My code starts with 1' Gaurav says: 'Leena is lying about their code' Divya 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 0110 makes all statements consistent:
* Leena's statement is false → matches bit 0
* Gaurav's statement is true → matches bit 1
* Divya'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 0110.

Question 6

Anita says: 'My code starts with 1' Ravi says: 'Anita is lying about their code' Sanjay says: 'The correct code has exactly two 1s' Gaurav 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:
* Anita's statement is true → matches bit 1
* Ravi's statement is false → matches bit 0
* Sanjay's statement is true → matches bit 1
* Gaurav's statement is true → matches bit 0

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

Question 7

Anita says: 'My code starts with 1' Pooja says: 'Anita is lying about their code' Vikram says: 'The correct code has exactly two 1s' Amit 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:
* Anita's statement is false → matches bit 0
* Pooja's statement is true → matches bit 1
* Vikram's statement is true → matches bit 1
* Amit's statement is true → matches bit 0

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

Question 8

Divya says: 'My code starts with 1' Priya says: 'Divya is lying about their code' Rahul says: 'The correct code has exactly two 1s' Amit 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:
* Divya's statement is true → matches bit 1
* Priya's statement is false → matches bit 0
* Rahul's statement is true → matches bit 0
* Amit's statement is false → matches bit 1

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

Question 9

Sunil says: 'My code starts with 1' Kiran says: 'Sunil is lying about their code' Deepa 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 1100 makes all statements consistent:
* Sunil's statement is true → matches bit 1
* Kiran's statement is false → matches bit 1
* Deepa's statement is true → matches bit 0
* Pooja's statement is true → matches bit 0

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

Question 10

Amit says: 'My code starts with 1' Priya says: 'Amit is lying about their code' Rohan 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 1001 makes all statements consistent:
* Amit's statement is true → matches bit 1
* Priya's statement is false → matches bit 0
* Rohan's statement is true → matches bit 0
* Sanjay's statement is false → matches bit 1

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

Question 11

Priya says: 'My code starts with 1' Gaurav says: 'Priya is lying about their code' Rohan 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 1010 makes all statements consistent:
* Priya's statement is true → matches bit 1
* Gaurav's statement is false → matches bit 0
* Rohan's statement is true → matches bit 1
* Deepa's statement is true → matches bit 0

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

Question 12

Leena says: 'My code starts with 1' Neha says: 'Leena is lying about their code' Priya says: 'The correct code has exactly two 1s' Meera 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
* Neha's statement is false → matches bit 1
* Priya's statement is true → matches bit 0
* Meera's statement is true → matches bit 0

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

Question 13

Leena says: 'My code starts with 1' Manoj says: 'Leena is lying about their code' Neha 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:
* Leena's statement is true → matches bit 1
* Manoj's statement is false → matches bit 0
* Neha'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 14

Rahul says: 'My code starts with 1' Ravi says: 'Rahul is lying about their code' Divya says: 'The correct code has exactly two 1s' Amit 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:
* Rahul's statement is true → matches bit 1
* Ravi's statement is false → matches bit 1
* Divya's statement is true → matches bit 0
* Amit's statement is true → matches bit 0

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

Question 15

Divya says: 'My code starts with 1' Rohan says: 'Divya is lying about their code' Pooja 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 1010 makes all statements consistent:
* Divya's statement is true → matches bit 1
* Rohan's statement is false → matches bit 0
* Pooja's statement is true → matches bit 1
* Neha's statement is true → matches bit 0

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

Question 16

Manoj says: 'My code starts with 1' Vikram says: 'Manoj is lying about their code' Farhan 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 1100 makes all statements consistent:
* Manoj's statement is true → matches bit 1
* Vikram's statement is false → matches bit 1
* Farhan's statement is true → matches bit 0
* Harsha's statement is true → matches bit 0

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

Question 17

Pooja says: 'My code starts with 1' Manoj says: 'Pooja is lying about their code' Deepa says: 'The correct code has exactly two 1s' Meera 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:
* Pooja's statement is true → matches bit 1
* Manoj's statement is false → matches bit 1
* Deepa's statement is true → matches bit 0
* Meera's statement is true → matches bit 0

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

Question 18

Manoj says: 'My code starts with 1' Kiran says: 'Manoj is lying about their code' Pooja 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 0110 makes all statements consistent:
* Manoj's statement is false → matches bit 0
* Kiran's statement is true → matches bit 1
* Pooja's statement is true → matches bit 1
* Farhan's statement is true → matches bit 0

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

Question 19

Rohan says: 'My code starts with 1' Anita says: 'Rohan is lying about their code' Vikram 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 1100 makes all statements consistent:
* Rohan's statement is true → matches bit 1
* Anita's statement is false → matches bit 1
* Vikram's statement is true → matches bit 0
* Farhan's statement is true → matches bit 0

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

Question 20

Neha says: 'My code starts with 1' Amit says: 'Neha is lying about their code' Harsha 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 1001 makes all statements consistent:
* Neha's statement is true → matches bit 1
* Amit's statement is false → matches bit 0
* Harsha's statement is true → matches bit 0
* Vikram's statement is false → matches bit 1

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