For the given expression 6+3 to display '+' sign which keys should be pressed?	
(a)	Shift +   
 	
(b)	Only    
 	
(c)	Alt +   
 	
(d)	Ctrl +   
 
For the given expression 6+3 to display '+' sign which keys should be pressed?	
(a)	Shift +   
 	
(b)	Only    
 	
(c)	Alt +   
 	
(d)	Ctrl +  