Assumption I is implicit because the lack of response from the people could suggest that they do not have the desire to keep the city clean and green.
Assumption II is implicit because the statement indicates the failure of the campaign due to the lack of response, implying that the Municipal Council has failed.
Thus, both Assumptions I and II are implicit in this scenario.
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?