5 kg of metal A and 20 kg of metal B are mixed to form and alloy. The percentage of metal A in the alloy is 


(a) 
20% 
(b) 
25% 
(c) 
40% 
(d) 
None of these 
5 kg of metal A and 20 kg of metal B are mixed to form and alloy. The percentage of metal A in the alloy is 


(a) 
20% 
(b) 
25% 
(c) 
40% 
(d) 
None of these 
Weight of metal A = 5 kg.
Total weight of the alloy = kg = 25 kg.
Req. percentage =