JEE Main Quiz: Sets, Relation And Functions Set 2

10 Questions | Total Attempts: 61

SettingsSettingsSettings
JEE Main Quiz: Sets, Relation And Functions Set 2

.


Questions and Answers
  • 1. 
    A survey shows that 60% of Indians like football whereas 76% like cricket. If X% of the Indians like both mangoes and apples, then:  
    • A. 

      15 ≤ x ≤ 19

    • B. 

      9 ≤ x ≤ 19

    • C. 

      6 ≤ x ≤ 7

    • D. 

      3 ≤ x ≤ 5

  • 2. 
    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

  • 3. 
    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

  • 4. 
    • A. 

      A is Reflexive, symmetric and transitive.

    • B. 

      A is Reflexive, transitive but not symmetric

    • C. 

      A is Symmetric, Transitive but not reflexive

    • D. 

      A is neither transitive nor reflexive but symmetric

  • 5. 
    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% of families buy all the newspaper, then how many families buy newspaper A only?
    • A. 

      3300

    • B. 

      4100

    • C. 

      2600

    • D. 

      3700

  • 6. 
    • A. 

      Reflexive but not symmetric

    • B. 

      Reflexive but not transitive

    • C. 

      Symmetric and transitive

    • D. 

      Equivalence relation

  • 7. 
    • A. 

      A = B

    • B. 
    • C. 
    • D. 

      None of these

  • 8. 
    Let A & B are two finite sets having x and y no of elements respectively. Then the total no of mappings from A to B is:  
    • A. 
    • B. 

      Xy

    • C. 
    • D. 
  • 9. 
    • A. 

      – f(x)

    • B. 

      3f(x)

    • C. 
    • D. 

      None of these

  • 10. 
    Let X be a set containing 10 distinct elements, then the total number of distinct functions from X to X is:  
    • A. 

      100

    • B. 
    • C. 
    • D. 
Back to Top Back to top