AD. Maths Chapter 1: Set @ Indefatigables 25, HSLC 2025 Batch

The universal relation on a non empty set is …….

• Reflexive

• Symmetric

• Transitive

•  All the choices

• 9

• 10

• 11

• 12

• 25

• 10

• 15

• 20

Let A = {2,3} and B = {4,5,6}. The number of relations from A to B is ……

• 2⁵

• 2³

• 2²

• 2 ⁶

• A

• B

If n (AUB) = n (A) + n (B) then

• 68

• 44

• 50

• 56

• {(1,4), (3,4), (5,4)}

• {(4,1), (4,3), (4,5)}

• {4}

A and B are two non empty sets such that A X B = B X A, then

• A = B

If A = {1,2}, then the total number of relations on the set A is ........

• 4

• 8

• 64

• 16