
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- Total number of students = 35
- Students present on Monday =

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- Students not present on Monday = ?
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As, we have :
Students present on Monday =

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



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Now, we have to find students not present on Monday :
As, we have :
- Total number of students = 35
- Students present on Monday = 25
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Therefore,
Students absent on Monday = 35 - 25 = 10
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Hence, 10 students were not present on Monday.