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Mathematics Online Test Sets Relation and Functions Set-2

Aug 14, 2014 15:45 IST

    Engineering section of JagranJosh brings you Online Tests for JEE, UPSEE, WBJEE and other Engineering Entrance examination absolutely free. These tests will help the students in improving their performance and knowledge.
    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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