Sets and Relation questions
385 published questions with worked solutions.
- Let R be the relation over the set of integers such that m , R , n if and only if m is a multiple of n. Then R is
- Let A = 1, 2, 3, 4 and R be a relation in A given by R = (1, 1), (2, 2), (3, 3), (4, 4), (1, 2), (2, 1), (3, 1), (1, 3) . Then R...
- Let A = 1, 2, 3, , 50 and B = 2, 4, 6, , 100 . The number of elements (x, y) A B such that x + y = 50 is
- Let A and B be two sets containing four and two elements respectively. Then the number of subsets of the set A B, each having at...
- In a certain town, 25% of the families own a phone and 15% own a car; 65% families own neither a phone nor a car and 2000...
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