The statement mentions that 3/4th of the population are literates and that 20% of them work abroad. However, there is no explicit information provided about the total population’s employment status. The inference that 85% of the population works within the country is uncertain as it cannot be derived from the given data.
Conclusion: Thus, the correct answer is (C) c
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?