Free SAT Section 2: Mathematics Exam Braindumps (page: 11)

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If the statement "No penguins live at the North Pole" is true, which of the following statements must also be true?

  1. All penguins live at the South Pole.
  2. If Flipper is not a penguin, then he lives at the North Pole.
  3. If Flipper is not a penguin, then he does not live at the North Pole.
  4. If Flipper does not live at the North Pole, then he is a penguin.
  5. If Flipper lives at the North Pole, then he is not a penguin.

Answer(s): E

Explanation:

No penguins live at the North Pole, so anything that lives at the North Pole must not be a penguin. If Flipper lives at the North Pole, then he, like all things at the North Pole, is not a penguin.



If , then which of the following must be true?

  1. Option A
  2. Option B
  3. Option C
  4. Option D
  5. Option E

Answer(s): E

Explanation:




The pie chart above shows the distribution of video rentals from Al's Video Vault for a single night. If 250 videos were rented that night, how many more action movies were rented than horror movies?

  1. 10
  2. 20
  3. 22
  4. 25
  5. 30

Answer(s): D

Explanation:

22% of the movies rented were action movies; 250(0.22) = 55 movies; 12% of the movies rented were horror movies; 250(0.12) = 30 movies. There were 55 30 = 25 more action movies rented than horror movies.




If the circumference of the circle in the diagram above is 20 units, what is the area of triangle ABC?

  1. 40 square units
  2. 80 square units
  3. 80 square units
  4. 160 square units
  5. 160 square units

Answer(s): B

Explanation:

The circumference of a circle is equal to 2r, where r is the radius of the circle. If the circumference of the circle = 20 units, then the radius of the circle is equal to ten units. The base of triangle ABC is the diameter of the circle, which is twice the radius. The base of the triangle is 20 units and the height of the triangle is eight units. The area of a triangle is equal to th where b is the base of the triangle






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