Amar, Babu, Cera and Diya were asked to ...

Amar, Babu, Cera and Diya were asked to solve a question paper with 4 multiple choice questions with choices 1, 2, 3, 4. The answer sheet as marked by them is reproduced here.

Babu got all answers wrong. Amar's first two answers were definitely wrong. Diya got two answers right but her fourth answer was definitely wrong. Amar and Cera each have got only one correct answer.
Which of Cera's question is correct ?
A. Q1
B. Q2
C. Q3
D. Q4

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Amar, Babu, Cera and Diya were asked to solve a question paper with 4 multiple choice questions with choices 1, 2, 3, 4. The answer sheet as marked by them is reproduced here. Babu got all answers wrong. Amar's first two answers were definitely wrong. Diya got two answers right but her fourth answer was definitely wrong. Amar and Cera each have got only one correct answer. Which two answers of Diya is correct ? A. Q1 and Q2 B. Q 1 and Q3 C. Q2 and Q3 D. Q3 and Q4

Amar, Babu, Cera and Diya were asked to solve a question paper with 4 multiple choice questions with choices 1, 2, 3, 4. The answer sheet as marked by them is reproduced here. Babu got all answers wrong. Amar's first two answers were definitely wrong. Diya got two answers right but her fourth answer was definitely wrong. Amar and Cera each have got only one correct answer. Whose answer of Q4 is correct ? A. Amar B. Babu C. Diya D. None

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