Answer: D) SAARC Explanation:

Answer: B) 24 kmph Explanation: Total time taken = k/40 + 2k/20 hours = 5k/40 = k/8 hours Average speed = 3k/(k/8) = 24 kmph.

Nullification is the legal theory that a state has the right to nullify (invalidate) any federal law that it deems unconstitutional So far, there have not been any situations where this tactic has actually held up, though. In each case, nullification has failed.

Answer: C) 70000 Explanation: 112 × 54112 × 1024= 112 × 1000024= 1120000/16 = 70,000.

Answer: D) Charles Dickens Explanation: A Tale of Two Cities, which is one of two historical novels written by Charles Dickens, is set in London and in Paris and the French countryside at the time of the French Revolution.

Answer: D) a growing recession Explanation: A low trough is indicative of "a growing recession" since a trough indicates a general change in the business cycle, which can have varying degrees of importance. A recession could be an important decline in economic activity that goes on for quite many months.

Answer: A) Microsoft Explanation: Microsoft has acquired Flipgrid, an education start-up with an app that lets students record and share videos on specific topics with their classmates.   Microsoft is making Flipgrid free of charge.

Answer: A) Capitalist economies Explanation: