Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Sets and Relations question

2023 · 31 Jan · Shift 1 · Q30
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Mathematics
  4. /Sets and Relations
  5. /2023 · 31 Jan · Shift 1 · Q30

Sets and Relations question

2023 · 31 Jan · Shift 1 · Q30

JEE MainMathematicsSets and RelationsMCQ+4 / −1
Let R\mathrm{R}R be a relation on N×N\mathrm{N} \times \mathbb{N}N×N defined by (a,b) R (c,d)(a, b) ~\mathrm{R}~(c, d)(a,b) R (c,d) if and only if ad(b−c)=bc(a−d)a d(b-c)=b c(a-d)ad(b−c)=bc(a−d). Then R\mathrm{R}R is
  1. A
    symmetric and transitive but not reflexive
  2. B
    reflexive and symmetric but not transitive
  3. C
    transitive but neither reflexive nor symmetric
  4. D
    symmetric but neither reflexive nor transitive
PreviousNext

More from Sets and Relations

  • Among the relations S={(a,b):a,b∈R−{0},2+ba​>0} and T={(a,b):a,b∈R,a2−b2∈Z}…2023 · MCQ
  • The sum of all the elements of the set {α∈{1,2,.....,100}:HCF(α,24)=1} is ​.2022 · Numerical
  • Let A={1,2,3,4,5,6,7}. Define B={T⊆A: either 1otinT or 2∈T} and C={T⊆A:T the sum of all the elements of T is a prime number }. Then the number of elements in the set B∪C is ​…2022 · Numerical
  • Let A={1,2,3,4,5,6,7} and B={3,6,7,9}. Then the number of elements in the set {C⊆A:C∩Beqϕ} is ​.2022 · Numerical
  • Let A = {n ∈ N : H.C.F. (n, 45) = 1} and Let B = {2k : k ∈{1, 2, ......., 100}}. Then the sum of all the elements of A ∩ B is ​.2022 · Numerical
  • Let A=i=1∑10​j=1∑10​min{i,j} and B=i=1∑10​j=1∑10​max{i,j}. Then A + B is equal to ​.2022 · Numerical
  • Let R1​ and R2​ be two relations defined on R by aR1​b⇔ab≥0 and aR2​b⇔a≥b Then,2022 · MCQ
  • For α∈N, consider a relation R on N given by R={(x,y):3x+αy is a multiple of 7 }. The relation R is an equivalence relation if and only if :2022 · MCQ