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The set {0, 1, 2, 3, 4, 5, …} is known as set of.................numbers
a) natural     
b) whole                
c) rational 
d) real

b




d

Natural numbers                 :


The numbers 1,2,3,... which we use for counting certain objects is called.....numbers 
a) natural                             
b) real     
c) irrational                           
d) all of these

a

Natural numbers are also known as......
a)positive integers              
b)integers  
c) negative integers              
d) all of these

a

Natural numbers are denote by………..
a) W                       
b) Z         
c) N        
d) R

c