A report regarding examination is given below: Total number of candidates appeared in examination is 1000 of which 550 were boys. Among these candidates 700 were successful. Number of successful boys is 300. Find the number of successful girls, number of unsuccessful girls and number of unsuccessful boys.
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total number of students =1000
total boys =550
total girls =1000 - 550=450 girls
total candidates passed = 700
now total boys passed =300
total girls passed =700 - 300 =400
total boys failed = 550 - 300 =250
total girls failed =550 - 400 =150
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