JEE MainMathematicsSets and RelationsMCQ+4 / −1
Let a set A = A1 A2 ..... Ak, where Ai Aj = for i j, 1 j, j k. Define the relation R from A to A by R = {(x, y) : y Ai if and only if x Ai, 1 i k}. Then, R is :
- Areflexive, symmetric but not transitive.
- Breflexive, transitive but not symmetric.
- Creflexive but not symmetric and transitive.
- Dan equivalence relation.
More from Sets and Relations
- The number of elements in the set {x R : (|x| 3) |x + 4| = 6} is equal to :2021 · MCQ
- Let A = {2, 3, 4, 5, ....., 30} and '' be an equivalence relation on A A, defined by (a, b) (c, d), if and only if ad = bc. Then the number of ordered pairs which satisfy this equivalence relation with ordered…2021 · MCQ
- In a school, there are three types of games to be played. Some of the students play two types of games, but none play all the three games. Which Venn diagrams can justify the above statement? Includes diagram2021 · MCQ
- Define a relation R over a class of n n real matrices A and B as "ARB iff there exists a non-singular matrix P such that PAP 1 = B". Then which of the following is true?2021 · MCQ
- Let A = {n N: n is a 3-digit number} B = {9k + 2: k N} and C = {9k + : k N} for some If the sum of all the elements of the set A (B C) is 274 400, then is equal to …2021 · Numerical
- Out of all the patients in a hospital 89% are found to be suffering from heart ailment and 98% are suffering from lungs infection. If K% of them are suffering from both ailments, then K can not belong to the set :2021 · MCQ
- Let R = {(P, Q) | P and Q are at the same distance from the origin} be a relation, then the equivalence class of (1, 1) is the set :2021 · MCQ
- If A = {x R : |x 2| > 1}, B = {x R : > 1}, C = {x R : |x 4| 2} and Z is the set of all integers, then the number of subsets of the set (A B C)c Z is …2021 · Numerical