Thursday, June 25, 2015

#Solve #Puzzle

Price register an increase of 10% on food grains and 15% on other items of expenditure. If the ratio of expenditure of an employee on food grains and other items be 2:5, by how much should his salary be increased in order that he may maintain the same level of consumption as before? Assume that there is no saving our of his monthly salary of Rs 2590.
(1) 13.57%   
(2) 12%
(3) 13%   
(4) 18.42%