Since "hungry" and "full" are opposites, we need to pick out another pair of words which are also opposites. Since "exhausted" ("very tired") is an opposite of "energetic," "exhausted is to energetic" is the correct answer.

If someone is "dear" it means they cannot "hear." So, to solve this analogy you need to determine which of these words is used to describe someone who cannot "see." The correct answer is "blind."

Since a star is a single unit that, when combined with other stars, forms a constellation, we need to find a single unit that, when combined with others, creates a whole class. Since many students make up a class, the correct answer would be "student." At first glance, the answer may appear to be teacher, as every class is led by a teacher, but a class is made up by a body of students and has only one or two teachers. In addition, a teacher is the head of the class but is not part of the class itself.

"Fiction" refers to stories that are made up, stories that are not real. So, a quality of "fiction" is to be "fake." To solve this analogy you need to determine which of these is a quality of a "biography." A "biography" tells the story of someone's life. So, a quality of a "biography" is to be "true." Additionally, "uninteresting" means boring and "depressing" means makes you sad.

In this set of problems we are going to practice "homonyms." "Homonyms" are words that sound the same, or are spelled the same, but which have different meanings. An example of a "homonym" is "bye and buy." These two words have different meanings, yet sound exactly the same. In this problem "dear" and "deer" are homonyms, so which of these words sounds the same as "cache?" The correct answer is "cash." Additionally, a "buck" is a male deer.

In this set of problems we are going to practice "homonyms." "Homonyms" are words that sound the same, or are spelled the same, but which have different meanings. An example of a "homonym" is "dear and deer." These two words have different meanings, yet sound exactly the same. So, in this analogy "flower" sounds like "flour," which of these words sounds like "allowed?" The correct answer is "aloud." Additionally, "forbidden" means prohibited, not allowed.

You use "bricks" to "build" things, so to solve this analogy you need to determine what it is that you use a "flashlight" for. The correct answer is to "see" things. Additionally, "torch" is another word for "flashlight."

The purpose of a "castle" is to "defend" people from attacks. So, to solve this analogy you need to figure out which of these answer choices describes the purpose of a "telephone." The correct answer is "communicate" which means to talk to, share information. Additionally, "elevate" means rise up, lift up; "barter" means trade, exchange, argue about the price of something; "irritate" means annoy.

The word "low" can be used to describe someone or something "unsophisticated": "Belching at the dinner table is quite low behavior." All of the other answer choices are antonyms of the word "low." Note that "unsophisticated" stands out not only because it is the opposite of "sophisticated," but because it is also the only word with a slightly negative sense.

Someone who is tired may yawn, so we're looking for an answer where the first word describes an action someone might do if they currently feel the emotion the second word describes. If someone is happy, they might smile, just as if they are tired, they might yawn, so "smile is to happy" is the correct answer.