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Q #26
⏰ :
CAT 2018 Question Paper Slot 2 - Set Theory
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For two sets A and B, let A?B denote the set of elements which belong to A or B but not both. If P = {1,2,3,4}, Q = {2,3,5,6,}, R = {1,3,7,8,9}, S = {2,4,9,10}, then the number of elements in (P?Q)?(R?S) is
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Q #28
⏰ :
CAT 2019 Question Paper Slot 1 - Set Theory
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A club has 256 members of whom 144 can play football, 123 can play tennis, and 132 can play cricket. Moreover, 58 members can play both football and tennis, 25 can play both cricket and tennis, while 63 can play both football and cricket. If every member can play at least one game, then the number of members who can play only tennis is
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