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In this article find Online test of Sets Relation and Functions. In IIT JEE, UPSEE, WBJEE and other engineering entrance examinations, this chapter plays an important role. About 2-3 questions are being asked from this chapter.
Q. Let A = {a, b, c, d}. The total number of unordered pairs of disjoint subsets of A is equal to:
(a) an ellipse
(b) a pair of straight
(c) a hyperbola
(d) a parabola
Q. Two points X and Y in a plane are related if OX = OY, where o is a fixed point. This relation is:
(a) Partial Order Relation
(b) equivalence relation
(c) Reflexive but not symmetric
(d) reflexive but not transitive
Q. In a town of 10,000 families it was found that 40% families buy newspaper A, 20% families buy newspaper B and 10% families buy newspaper C. 5% families buy A & B, 3% buy B & C and 4% buy c and A. If 2% families buy all the newspaper, then how many families buy newspaper A only?
(a) 3300
(b) 4100
(c) 2600
(d) 3700
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