If one number is 80% of the other and 4 times the sum of their squares is 656, then the numbers are 


(a) 
4,5 
(b) 
8,10 
(c) 
16,20 
(d) 
None of these 
If one number is 80% of the other and 4 times the sum of their squares is 656, then the numbers are 


(a) 
4,5 
(b) 
8,10 
(c) 
16,20 
(d) 
None of these 
Let one number = Then, other number = 80% of
So, the numbers are 10 and 8.