2. Sample Papers
  3. 6th Class
  4. Social Science

6th Class Social Science Sample Paper Social Studies - Sample Test Paper-9

  • question_answer
    What is the percentage of oxygen in our atmosphere?

    A)  21%                

    B)  78%

    C)  12%                

    D)  1%

    E)  None of these

    Correct Answer: A

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