The price of sugar per kg increased from Rs. 16 to Rs. 20. The percentage reduction in the use of sugar so that the expenditure does not increase, should be 


(a) 
15% 
(b) 
20% 
(c) 
25% 
(d) 
40% 
The price of sugar per kg increased from Rs. 16 to Rs. 20. The percentage reduction in the use of sugar so that the expenditure does not increase, should be 


(a) 
15% 
(b) 
20% 
(c) 
25% 
(d) 
40% 
Let the original consumption = 100kg and new consumption = kg.
So, 100
Reduction in consumption = 20%.