8) In a class of 25 students, 12 have taken mathematics, 8 have taken mathematics butnot biology. Find the no. of students who have taken both mathematics and biologyand the no. of those who have taken biology but not mathematics each student hastaken either mathematics or biology or both.
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your question is wrong, ......
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4studend because 12student take maths and 8 take maths but not bio so 4 students take both
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