o In a class of 300 students were mathematics test in a subject , they geven 3 90 failed i economics 100 failed in statistics. 96 failed in mathematics 60 failed i Stati estics and economic 64 failed to statistics and mathematics failed in economics and mathematics 50 failed to all subject i Find no. of students failed in atleast one subject.
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हेलो दोस्तो कैसे हो heb sney jah
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