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72% of 25 students are good at mathemati...

72% of 25 students are good at mathematics. How many are not good at it?

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Verified by Experts

Given
`72%` of `25` students are good in math
So a number of students good in math is
`72/100**25=18`
The total number of students who are not good at math = `25-18=7`
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