Question: Once all European prices are quoted in euros, it will be obvious to consumers when a German company is charging more than its French competitor or vice versa--whereas it wouldn't be if the prices were quoted in francs and marks and had to be converted at the going exchange rate.
It is impossible to quote all prices in Euros.

Answer: no

Question: Four hundred of Cumberland's troops died in an epidemic of yellow fever and dysentery, and the British had to withdraw less than three months after their victory.
Cumberland's troops avoided any sickness while they were there.

Answer: no

Question: A first encounter with Indian music is most likely to be in the pleasant surroundings of a restaurant in one of the major hotels (rather than in what might be the intimidating atmosphere of a large recital hall) where it may be performed as an accompaniment to an elegant dinner, with first-class musicians.
Indian music makes you eat faster.

Answer:
it is not possible to tell