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)

n ( A\cup B) = n ( A) + n (B) -n (A\cup B)

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

Passed out = 45%
 

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