SAT-Mathematics 試験問題を無料オンラインアクセス

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

• A.All penguins live at the South Pole.
• B.If Flipper lives at the North Pole, then he is not a penguin.
• C.If Flipper does not live at the North Pole, then he is a penguin.
• D.If Flipper is not a penguin, then he does not live at the North Pole.
• E.If Flipper is not a penguin, then he lives at the North Pole.

If the statement "All students take the bus to school" is true, then which of the following must be true?

• A.If Courtney takes the bus to school, then she is a student.
• B.If Courtney is not a student, then she does not take the bus.
• C.none of the above
• D.If Courtney does not take the bus to school, then she is not a student.
• E.all of the above

If

• A.Option E
• B.Option A
• C.Option D
• D.Option B
• E.Option C

A bus holds 68 people. If there must be one adult for every four children on the bus, how many children
can fit on the bus?

正解：

52
Explanation/Reference:

There is one adult for every four children on the bus. Divide the size of the bus, 68, by
There can be no more than 13 groups of one adult, four children. Therefore, there can be no more than
(13 groups)(4 children in a group) = 52 children on the bus.

The length of a rectangle is one greater than three times its width. If the perimeter of the rectangle is 26
feet, what is the area of the rectangle?

• A.78 ft2
• B.13 ft2
• C.100 ft2
• D.24 ft2
• E.30 ft2