# Set Theory _1

## Quiz by Paul Joseph Lawrance

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10 questions
• Q1

A collection of well-defined objects or elements are called

Theory

Symbol

Set

Singleton

45s
• Q2

If a is an element of  set A, we can write it as

$a\ \in\ A$

$a\ \notin\ A$

$a\subset A$

$A\ \in a$

45s
• Q3

A set that contains no element is called

power set

finite set

null set

Singleton set

45s
• Q4

A set containing only one element is  called

finite set

subset

infinite set

singleton  set

45s
• Q5

Two sets with no common element are known as

infinite set

disjoint sets

finite set

equal sets

45s
• Q6

Two sets with all elements common to both sets are known as

equal sets

finite sets

equivalent sets

infinite sets

45s
• Q7

If A = { e, f, g, h} and B = {1, 2, 3, 4}  the A and B are called

infinite sets

sub-set

equal sets

equivalent sets

45s
• Q8

If A = { 1, 2, 3, 4}     B = { 1, 2, 3, 4, 5, 6} then we can say

$A\ \subset\ B$

$A\ =\ B$

$A\ \ne\ B$

$A\ \not\subset\ B$

45s
• Q9

If A = { 1, 2, 3}     B = { 4, 5 } and  C = { 0, 6 } then  Universal set U =

1, 2, 3, 4, 5

0, 1, 2, 3, 4

0, 1, 2, 3, 4, 5, 6

1, 2, 3, 4, 5, 6

45s
• Q10

If A = { a, b } then the Power set  P (A ) =

$\left\\left\{\varnothing,\ a,\ b\right\\right\}$

$\left\\left\{\left\\left\{x\right\\right\},\left\\left\{y\right\\right\},\left\\left\{x,\ y\right\\right\}\right\\right\}$

$\left\\left\{\ \varnothing,\ \left\\left\{a\right\\right\},\left\\left\{b\right\\right\},\left\\left\{a,\ b\right\\right\}\right\\right\}$

$\left\\left\{\varnothing,\ \left\\left\{a,\ b\right\\right\}\right\\right\}$

45s

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