Answer: D) Vistadome coach train Explanation: Vistadome coach train flagged off in April 2017 is routed between Visakhapatnam to Araku valley station.

Answer: B) erosion Explanation: Process by which sediment is removed from its source is called Erosion.

Answer: B) Maharashtra Explanation:

Answer: C) 20th March Explanation: The International Day of Happiness (known as Happiness Day) is celebrated throughout the world on the 20th of March. The International Day of Happiness was founded on June 28, 2012, by the United Nations General Assembly when all 193 member states unanimously adopted UN resolution 66/281. It was celebrated for the first time in 2013.

Answer: A) SDR Explanation: SDR means Special Drawing Rights.   SDRs are a measure of a country's reserve assets with IMF and, whereas not 'money' in the strict sense, have several characteristics of money as interest-bearing assets, store of value, and means of settling indebtedness.   International financing instrument created in 1970 by the International Monetary Fund (IMF) to coincide with the disfavor of the US dollar as the principal currency of the world trade. Also called paper gold, an SDR is neither paper nor gold but an accounting entry. It is not backed by any currency or precious metal and is used only among governments and IMF for balance Of payments settlements.

Answer: B) Sina weibo Explanation:

Answer: D) Quick reaction surface-to-air short range missile (QR-SAM) Explanation:

Answer: D) the system of racial segregation in the South after Reconstruction Explanation: