Answer to the passage:A four-person crew from Classic Colors is painting Mr Ahmed's house. Ahmed is painting the front of the house. Maira is in the alley behind the house painting the back. Ayesha is painting the window frames on the north side, Hamza is on the south. If Ahmed switches places with Ayesha, and Ayesha then switches places with Hamza, where is Hamza?

A person who leaves his country and settles in another country is called:

According to the information on this page, items bought before 1940 _ more than items made after that year.

'ACQUAINTANCE' means a person whom:

An increase in the level of serotonin levels in the human body is known to significantly enhance the mood of the person and in some cases, help people overcome depression. Serotonin taken orally does not pass into the pathways of the central nervous system, because it does not cross the blood-brain barrier. However, tryptophan and its metabolite 5-hydroxytryptophan (5- HTP), from which serotonin is synthesized, does cross the blood-brain barrier. These agents are available as dietary supplements, and may be effective serotonergic agents.Which of the following can be correctly inferred from the statements above?

An increase in the median income of the middle class does not cause average levels of education for the middle class to go up. If they did, then countries with the highest median income of the middle class would also have the highest levels of education for this class. In fact, when the median income of the middle class is made suitably comparable for different countries (accounting for inflation, currency fluctuations and purchasing power parity), there is no such co-relation.Which of the following can be correctly inferred from the statements above?