JEE MATHS UNIT 1 SETS, RELATIONS AND FUNCTIONS
QUIZ NO 4
TOTAL QUESTIONS = 20


1. If n(A) = 5 and n(B) = 3, then the number of functions from A to B is


2. The number of one-one functions from set A = {1, 2, 3} to B = {a, b, c} is


3. If A = {1, 2, 3} and B = {3, 4, 5}, then A ∩ B is


4. The union of two sets A = {1, 2} and B = {2, 3} is


5. The range of the function f(x) = x² - 4 is


6. The function f(x) = x^2 is an example of which type of function?


7. The intersection of sets A and B is the set of elements


8. If A = {1, 2, 3} and B = {3, 4, 5}, then A - B is


9. In a college of 300 students, every student reads 5 newspapers, and every newspaper is read by 60 students. The number of newspapers is


10. Which of the following is a subset of the set {a, b, c}?


11. If A and B are two sets such that A ⊆ B, then A ∩ B is equal to


12. A function f: A → B is onto if


13. If A = {x : x is a natural number less than 6}, then A is


14. What is the universal set in the context of sets?


15. The relation R on A = {1, 2, 3} defined by R = {(1, 2), (2, 3), (1, 3)} is


16. The number of elements in the Cartesian product A × B if n(A) = 3 and n(B) = 2 is


17. The number of elements in the power set of a set with 3 elements is?


18. If A = {1, 2, 3} and B = {4, 5}, then the total number of subsets of A × B is


19. A function f: A → B is one-one if


20. If A = {(x, y) : x² + y² = 25} and B = {(x, y) : x² + 9y² = 144}, then A ∩ B contains how many points?



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