If cost of sugar increases by 25%. How much percent consumption of sugar should be decreased in order to keep expenditure fixed? Options.
A) 10%
B) 15%
C) 20%
D) 25%
E) None
100   125   -----   125 ----- 25   100 ------ ? =&gt; 20%   ANSWER:20%
<result>C</result>
If cost of sugar increases by 25%. How much percent consumption of sugar should be decreased in order to keep expenditure fixed?