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In a Business school there are 3 electiv...

In a Business school there are 3 electives offered to the students, where students have a choice of not choosing any electives. `70%` students opted for Marketing, `60%` students opted for HR and `50%` students opted for Finance. `30%` students opted for Marketing and HR both, `40%` opted for HR and Finance both, 20% opted for Marketing and Finance both. What is the maximum number of students opted for all 3 electives?

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In a Business school there are 3 electives offered to the students, where students have a choice of not choosing any electives. 70% students opted for Marketing, 60% students opted for HR and 50% students opted for Finance. 30% students opted for Marketing and HR both, 40% opted for HR and Finance both, 20% opted for Marketing and Finance both. What is the minimum number of students opted for all 3 electives?

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