For the following questions answer them individually
Which of the following countries has built the world's biggest air purifier, a 328 feet high tower, to combat air pollution?
Who among the following writers won the 2017 Sahitya Academy Award for Hindi literature?
Washing soda is used ______.
I. for removing permanent hardness of water
II. for disinfecting drinking water
III. as a cleaning agent for domestic purpose
What are the minimum qualifications of a person to become a member of Lok Sabha?
I. Must be a citizen of India.
II. Must not be less than 25 years of age.
III. Must hold an office of profit under Union Government.