Cardinality of Union and Intersection

JEE Main Mathematics · Sets · 3 questions, latest first

• In a survey of 220 students of a higher secondary school, it was found that at least 125 and at most 130 students studied…20244 April, Shift 1 · Q21
• A group of 40 students appeared in an examination of 3 subjects - Mathematics, Physics and Chemistry. It was found that all…202430 January, Shift 1 · Q29
• An organization awarded 48 medals in event ' A ', 25 in event ' B ' and 18 in event ' C '. If these medals went to total 60 men…202311 April, Shift 1 · Q1