Out of 6000 candidates.70%were girls if 90% of girls and 80% of boys passed the exam.find the number of students who passed the exam.
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Answer:
Total candidates =8000
Number of boys 800×10060=4800
Number of girls 8000−4800=3200
number of boys fail 4800×10020=960 (80% passed)
Number of girls failed 3200×10010=320
Total failed =1280
Step-by-step explanation:
Total candidates =8000
Number of boys 800×10060=4800
Number of girls 8000−4800=3200
number of boys fail 4800×10020=960 (80% passed)
Number of girls failed 3200×10010=320
Total failed =1280
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