Which of the following is an example of cryptocurrency?

One dollar could be exchanged for 55 rupees in 2013 and for 60 rupees in 2014. This implies that the:

A) real exchange rate did not change in 2014. B) dollar appreciated in 2014. C) nominal exchange rate did not change in 2014. D) rupee appreciated in 2014.

According to the law of demand, ceteris paribus,

A. The responsiveness of consumer demand to a change in the price of a good is measured by the price elasticity of demand. B. A consumer will purchase more of a good at higher prices than at lower prices. C. The quantity demanded increases at lower prices. D. Price and quantity supplied are directly related.