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Health, 30.09.2021 19:30 landon6663

Of the total Cardidates in an examination 80% students passed in maths,60% passed in science and 25% did not pass any subject. If 130 students passed both the subjects, find the total number of candidates appered in an examination by using vein-diagram

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Of the total Cardidates in an examination 80% students passed in maths,60% passed in science and 25%...
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