1. The arithmetic mean (average) of 3, 5, 7 and y is 100. What is the value of y?   85   95   105   115   385   Hint Hint       2. An office requires P sheets of paper each month for each employee. If there are E employees in the office, for how many months willT sheets of paper last?   TPE   TE/P   P/TE   T/PE   PE/T   Hint       3. If 2z2 − 5z + 30 < 2z2 + 5z − 15, which of the following MUST be true?   z = 6   z < 4.5   z > 4.5   z > 6   z = 4.5   Hint       4. An total of $45,000 in prize money is to be divided unequally among the top three contestants. What is the value of the largest prize?   $9,000   0,000   2,000   5,000   $27,000   Hint       5. A small square region inside a larger square is shaded. The diagonal of the larger square is three times the diagonal of the small square in length. What fraction of the area of the larger square is not shaded ?   1/9   1/3   2/3   8/9   cannot be determined   Hint       6. In the figure, each of the four white "petals" is formed by the intersection of two semicircles. Each of the four semicircles is drawn with its center at the midpoint of each side of the square. If the length of the side of the square is 2, what is the total area of the shaded region excluding the petals?   1 − π/4   32 − 8π   8 − 2π   4 − π   16 − 4π   Hint       7. A quiz consists of true and false questions. The ratio of the number of true questions to the number of false questions is 4:3. About what percent of the questions are false?   43%   57%   67%   83%   86%   Hint