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31% fail so 100-31 = 69% pass.The percentage of those who pass exceeds the percentage of those who fail by 69-31 = 38%


So 38% = 247

which means that 100% = 100*247/38 = 650 candidates.




31% fail so 100-31 = 69% pass.The percentage of those who pass exceeds the percentage of those who fail by 69-31 = 38%


So 38% = 247

which means that 100% = 100*247/38 = 650 candidates.




31% fail so 100-31 = 69% pass.The percentage of those who pass exceeds the percentage of those who fail by 69-31 = 38%


So 38% = 247

which means that 100% = 100*247/38 = 650 candidates.




31% fail so 100-31 = 69% pass.The percentage of those who pass exceeds the percentage of those who fail by 69-31 = 38%


So 38% = 247

which means that 100% = 100*247/38 = 650 candidates.


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โˆ™ 2013-03-31 15:37:58
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โˆ™ 2013-03-31 15:37:58

31% fail so 100-31 = 69% pass.The percentage of those who pass exceeds the percentage of those who fail by 69-31 = 38%


So 38% = 247

which means that 100% = 100*247/38 = 650 candidates.


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Q: What is the total number of candidates at an examination if 31 percent fails and the number of those who pass exceeds the number of those who fail by 247?
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