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SSC Sample Paper SSC CGL - Sample Paper-30

  • question_answer
    Direction: Study the following pie chart carefully to answer the questions that follow.
    Percentage distribution of teachers who teach six different subjects
    Total number of teachers \[=1800\]
    If two-ninth of the teachers who teach Physics, are female, then number of male Physics teachers is approximately what per cent of the total number of teachers who teach Chemistry?

    A) 57                    

    B) 42

    C) 63                                

    D) 69

    Correct Answer: A

    Solution :

    Number of teachers in Physics \[=1800\times \frac{17}{100}=306\] Female teachers in Physics \[=306\times \frac{2}{9}=68\] Male teachers in Physics \[=306-68=238\] Number of teachers in Chemistry             \[=1800\times \frac{23}{100}=414\] \[\therefore \] Required percentage \[=\frac{238}{414}\times 100\approx 57%\]        


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