The following three statements are true:
Tangalese people are non-toxic.
No person is a dingbat who can dance the hustle.
Non-toxic persons are dingbats.
Which of the following are true?
Given the two hypotheses:
1. Some yaks are not blats and
2. No blats are blobs,
if “some” means “at least one,” we can conclude that:
The number of cubic feet in the volume of a cube is the same as the number of square inches in its surface area. The length of the edge in feet is:
The total area enclosed by the small circles is what fraction of the area enclosed by the larger circle?
A rectangle is decomposed into nine squares whose bases measure 1, 4, 7, 8, 9, 10, 14, 15, and 18 units respectively. What are the dimensions of the rectangle?
The sum of all but one of the interior angles of a convex polygon equals 2570°. The remaining angle is:
The arch of a stone bridge has the form of a semi-ellipse. The straight horizontal span is 40 meters and the maximum height between the arch and the span is 10 meters. Find the height, in meters, of the arch 10 meters from one end of the span.
Given points P (-1,-2) and Q (4,2) in the xy-plane, point R (1,m) is taken so that
Consider the numbers Fn defined by the following formula:
where n may be any positive integer. Calculate F1 through F5. Do you notice anything suprising?
Many years ago a teacher’s salary was based on the number of students he had. Suppose a salary of $60 per month was to be paid for 50 students and $50 a month for 30 students. If the actual enrollment was 45 students, what should the teacher be paid?