A group of 100 candidates appear in an examination, the average of the marks obtained is 40. If the average marks of the candidates who pass is 45 and the average of those who fail is 25, then what is the number of candidates who pass?

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Question:A group of 100 candidates appear in an examination, the average of the marks obtained is 40. If the average marks of the candidates who pass is 45 and the average of those who fail is 25, then what is the number of candidates who pass?

1.75

2.85

3.105

4.95

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  1. A group of 100 candidates appear in an examination, the average of the marks obtained is 40. If the average marks of the candidates who pass is 45 and the average of those who fail is 25, then what is the number of candidates who pass?
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