Answer: C) Russia Explanation: Russia is the Largest country of the World by Geographical Area.   Top 10 largest countries of the World : 1. Russia 2. Canada 3. United States of America 4. China 5. Brazil 6. Australia 7. India 8. Argentina 9. Kazakhstan 10. Algeria   When all 10 of the world's largest countries are taken together, they total 49% of the earth's entire 149 million square kilometres of land.

Answer: D) 16 years Explanation: Age of new boy = (Age of moved girl) – (Number of family members × Decreased in average) = 24 – 24×4/12 = 24 – 8 = 16 years.

Answer: D) Methane Explanation: Natural gas is primarily composed of methane, but also contains ethane, propane, and heavier hydrocarbons.   Natural gas is a colorless, tasteless, odorless, and non-toxic gas. Because it is odorless, mercaptan is added to the natural gas, in very small amounts to give the gas a distinctive smell of rotten eggs. This strong smell can alert you of a potential gas leak.   It also contains small amounts of nitrogen, carbon dioxide, hydrogen sulphide and trace amounts of water.

Answer: D) Turmoil Explanation: 'Maelstrom' refers to a violent and confused state. The word closest in meaning would be 'turmoil', which also means a state of great disturbance.

Answer: C) Pedro Cabral Explanation: In April 1500, Brazil was claimed by Portugal on the arrival of the Portuguese fleet commanded by Pedro Alvares Cabral.

Answer: D) 35 Explanation: Let the total applicants be 100   Then, 20% got 85 marks i.e 20 x 85 = 1700   and 25% got 95 marks  i.e 25 x 95 = 2375   Now, the remaining applicants are 55 and let the average marks scored by them be x.   Therefore, 2375 + 1700 + 55x  =  60×100  6000 - 4075 = 55x 55x=1925 x=35.

7 C in a R represents 7 Colours in a Rainbow.

Answer: D) West Bengal Explanation: