Statement II refers to the increasing cases of respiratory diseases, which can be caused by air pollution.
Statement I, which discusses the municipal council’s aim to reduce air pollution, can be seen as an effort to address the rising health issues (respiratory diseases), making Statement II the cause and Statement I its effect.
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?