If the product of two numbers is 5 and one of the number is then the sum of two numbers is 


(a) 
4 
(b) 
4 
(c) 
4 
(d) 
5 
If the product of two numbers is 5 and one of the number is then the sum of two numbers is 


(a) 
4 
(b) 
4 
(c) 
4 
(d) 
5 