In an exam 34% of the candidates passed and 780 failed Find the number of students who appeared for the exam.
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let the number of candidates who appeared be 100
no. of candidates who passed = 34
no. of candidates failed= 100-34=66
if 100 are the total students and 66 are failed
what is the total no. of students who appeared when 780 failed
66/100=780/x
100X 780/66=x
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