The campaign of "Green City, Clean City" started by the Municipal Council did not have any response from the people. Decide which of the assumptions is implicit in the statement:
% Assumptions
I. People do not desire to keep their city clean and green.
II. The Municipal Council has failed in its campaign.





Arun’s present age in years is 40% of Barun’s. In another few years, Arun’s age will be half of Barun’s. By what percentage will Barun’s age increase during this period?