PPT - Functions and Relations Notes | Study Business Mathematics and Logical Reasoning & Statistics - CA Foundation

 Page 1


Set Theory 
CPT Section D Quantitative 
Aptitude Chapter 7 
Brijeshwar Prasad Gupta 
 
Page 2


Set Theory 
CPT Section D Quantitative 
Aptitude Chapter 7 
Brijeshwar Prasad Gupta 
 
Learning Objectives 
Number system 
Set Theory 
Set operations 
Product of Sets 
MCQ 
Page 3


Set Theory 
CPT Section D Quantitative 
Aptitude Chapter 7 
Brijeshwar Prasad Gupta 
 
Learning Objectives 
Number system 
Set Theory 
Set operations 
Product of Sets 
MCQ 
Number system 
Natural numbers:- N 
• N = {1,2,3……..} 
• 0    N, -3    N, ?     N,v2    N 
 
Whole numbers:- W 
• W = {0,1,2,3…….} 
? ? ? ?
Page 4


Set Theory 
CPT Section D Quantitative 
Aptitude Chapter 7 
Brijeshwar Prasad Gupta 
 
Learning Objectives 
Number system 
Set Theory 
Set operations 
Product of Sets 
MCQ 
Number system 
Natural numbers:- N 
• N = {1,2,3……..} 
• 0    N, -3    N, ?     N,v2    N 
 
Whole numbers:- W 
• W = {0,1,2,3…….} 
? ? ? ?
Number system 
Integers:- I or Z 
• I = {----- -3,-2,-1,0,1,2,3……..} 
 
• Positive integers:- I
+
 
• I
+
 = {1,2,3………} 
 
• Negative integers:- I
-
 
• I
- 
=
 
{-1,-2,-3………} 
Remark:- 0 ? I
+
, 0 ? I
-
 but 0 ? I  
Page 5


Set Theory 
CPT Section D Quantitative 
Aptitude Chapter 7 
Brijeshwar Prasad Gupta 
 
Learning Objectives 
Number system 
Set Theory 
Set operations 
Product of Sets 
MCQ 
Number system 
Natural numbers:- N 
• N = {1,2,3……..} 
• 0    N, -3    N, ?     N,v2    N 
 
Whole numbers:- W 
• W = {0,1,2,3…….} 
? ? ? ?
Number system 
Integers:- I or Z 
• I = {----- -3,-2,-1,0,1,2,3……..} 
 
• Positive integers:- I
+
 
• I
+
 = {1,2,3………} 
 
• Negative integers:- I
-
 
• I
- 
=
 
{-1,-2,-3………} 
Remark:- 0 ? I
+
, 0 ? I
-
 but 0 ? I  
Number system 
Prime numbers :- P 
• P = {x:x is divisible by either one or 
itself not by any other number 
except 1} 
• or 
• P = {2,3,5,7,11,13,17……….}