If are respectively arithmetic, geometric and harmonic means between and both being unequal and positive, then On the basis of above information, answer the following question. 


If the geometric and harmonic means of two numbers are 16 12 then the ratio of one number to the other is 


a) 
1 : 4 
b) 
2 : 3 
c) 
1 : 2 
d) 
2 : 1 
If are respectively arithmetic, geometric and harmonic means between and both being unequal and positive, then On the basis of above information, answer the following question. 


If the geometric and harmonic means of two numbers are 16 12 then the ratio of one number to the other is 


a) 
1 : 4 
b) 
2 : 3 
c) 
1 : 2 
d) 
2 : 1 