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Math Help - try it

  1. #1
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    try it

    In a school, 60% of the students passed in english,25% passed in English and
    foreign language also. Where as 66.67 % of students passed in foregin language and failed in english.20 students failed in both English and foregin language.

    1. whats the total strength of school (250,150,200,100)
    2.what % of students passed in exactly one of two subjects - english and foregin language. (15%,65%,45%,75%)


    guys i have been working on this for last 2 days but no use. can u guys give me the correct answer and also tel me hw to solve these types of questions.
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  2. #2
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    Quote Originally Posted by anishgma View Post
    In a school, 60% of the students passed in english,25% passed in English and
    foreign language also. Where as 66.67 % of students passed in foregin language and failed in english.20 students failed in both English and foregin language.

    1. whats the total strength of school (250,150,200,100)
    2.what % of students passed in exactly one of two subjects - english and foregin language. (15%,65%,45%,75%)


    guys i have been working on this for last 2 days but no use. can u guys give me the correct answer and also tel me hw to solve these types of questions.
    duplicate post ...

    http://www.mathhelpforum.com/math-he...sting-one.html
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