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In an examination, 30% of the total students failed in Hindi, 45% failed in English and 20% failed in both the subjects. Find the percentage of those who passed in both the subjects.  

In an examination, 30% of the total students failed in Hindi, 45% failed in English and 20% failed in both the subjects. Find the percentage of those who passed in both the subjects.
 

  • Option 1)

    35.7%              

  • Option 2)

      35%                     

  • Option 3)

        40%                     

  • Option 4)

      45%  

     

  • Option 5)

     44%

Answers (1)
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n ( AUB) = n ( A) + n (B) – n (AUB)

Total students failed = (30+45-20) %= 55%

Passed out = 45%

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