Relations — Mathematics

Test your limits with our Elite Pro-Vault Questions for mathematics

Question 1
EasyJEE

The number of propersubsetsofasetcontaining4elementsproper subsets of a set containing 4 elements is:

A. 15
B. 16
C. 14
D. 8
Question 2
EasyJEE

A relation R on a set A is called an equivalence relation if it is:

A. Reflexive, symmetric, and transitive
B. Reflexive and symmetric only
C. Symmetric and transitive only
D. Reflexive and transitive only
Question 3
EasyJEE

Thedomainofthereal−valuedfunctionf(x)=1/sqrt(x−2)is:The domain of the real-valued function f(x) = 1 / sqrt(x - 2) is:

A. (2, Infinity)
B. [2, Infinity)
C. (−Infinity,2)(-Infinity, 2)
D. R−2R - {2}

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