[Answer] When did the population of India surpass 1 billion people?

Step 1 : Introduction to the question "When did the population of India surpass 1 billion people?"

...1. 2000 2. 2002 3. 2006 4. 2009

[Answer] 7. In three billion years our galaxy is predicted to collide with which other galaxy?

Step 1 : Introduction to the question "7. In three billion years our galaxy is predicted to collide with which other galaxy?"

...1. Triangulum Galaxy 2. Bode's Galaxy 3. Perseus Galaxy 4. Andromeda Galaxy Astronomers aren't entirely sure whether this will be a hit or miss affair, but the result would most likely be that the two galaxies would merge. Unless the solar system is near the centre of the mess, it's likely to emerge unharmed.

[Answer] 1. In three billion years our galaxy is predicted to collide with which other galaxy?

Step 1 : Introduction to the question "1. In three billion years our galaxy is predicted to collide with which other galaxy?"

...1. Triangulum Galaxy 2. Andromeda Galaxy 3. Perseus Galaxy 4. Bode's Galaxy Astronomers aren't entirely sure whether this will be a hit or miss affair, but the result would most likely be that the two galaxies would merge. Unless the solar system is near the centre of the mess, it's likely to emerge unharmed.

[Ans] The Trump Administration announced that the U.S. was planning to impose tariffs on $200 billion worth of goods from what country?

Step 1 : Introduction to the question "The Trump Administration announced that the U.S. was planning to impose tariffs on $200 billion worth of goods from what country?"

Mr. Trump, in a statement released late Monday, showed no sign of backing down from the type of full-blown trade war between the world’s two largest economies that has rattled financial markets, saying he was prepared to “immediately” place tariffs on another $267 billion worth of imports “if China takes retaliatory action against our farmers or other industries.”