### MCQs of Relations and Functions

Showing 1 to 10 out of 145 Questions
1.
 (a) symmetric only (b) reflexive only (c) transitive only (d) an equivalence relation
2.
 (a) 1 (b) 2 (c) 3 (d) 8
3.
 (a) reflexive and transitive but but not symmetric. (b) reflexive and symmetric but not transitive. (c) symmetric and transitive but not reflexive. (d) an equivalence relation.
4.
 (a) an equivalence relation (b) reflexive only (c) symmetric only (d) transitive only
5.
_____
 (a) (b) (c) (d)
6.

if a ∗ b = a2 + b2 on Z, then (2 ∗ 3) ∗ 4 = _____

 (a) 13 (b) 16 (c) 185 (d) 13
7.
= _____
 (a) 40 (b) 39 (c) 25 (d) 41
8.
 (a) 2 (b) 3 (c) 0 (d) 1
9.
 (a) $\frac{3}{a}$ (b) $\frac{9}{a}$ (c) $\frac{1}{a}$ (d) $\frac{2}{a}$
10.
The number of binary operation on {1, 2} is _____
 (a) 16 (b) 8 (c) 2 (d) 4
Showing 1 to 10 out of 145 Questions