PAGE I 1. If x − y = 9 and x + 2 y = 3 , then x + y = a) 5 b) 6 c) 7 d) 8 e) none of these 2. If x = −2 , y = 3 and z = 5, then a) 4 3. b) 1 c) ½ x− y − x+ y ( x − y) + z − 6 d) -1 is e) none of these The line through the points (1,4) and (3,-3) has slope a) 7/2 b) -7/2 c) 1/2 d) -1/2 e) none of these 4. A small circle passes through the center of a large circle and is tangent to the large circle. The area of the large circle is 4 square inches. The area, in square inches, outside the small circle and also inside the large circle is a) 2 b) 8/3 5. 1/ 2 + 1/ 3 = 1/ 4 −1/ 5 a) 1/60 b) 60 c) 3π / 4 c) 50/3 d) 2π / 3 d) 3/50 e) none of these e) none of these PAGE II 6. Let A and B be sets with A = {1,2,4,5,7} and B = {2,3,4,6,8} then ( A ∩ B) ∪ B = a) {1,2,3,4,5,6,7,8} b) {1,6,8} c) empty set d) {2,3,4,6,8} e) none of these 7. Joe spent $900 for a car and spent an additional $200 for repairs. He then sold it for 10% more than his total spending. What was his net profit in dollars? a) 90 b) 100 c) 110 d) 120 e) none of these 8. A sequence of Figures is formed by starting with one square and adding 4 additional squares to obtain successive figures. Figures 1, 2 and 3 are shown. How many squares will be in Figure 2012? a) 4021 b) 6042 c) 8042 d) 10042 e) none of these 9. If x and y are two numbers whose sum is a and whose product is b, then x 2 + y 2 is a) a − b2 10. b) a 2 − 2b c) a2 + b d a2 + b2 e) none of these If f ( x) = 1 + x 3 and g ( x) = 3 x − 1 , then g ( f (2 )) is a) -2 b) 8 c) 2 d) 4 e) none of these PAGE III 11. If 10 is the median of the list, [n,n+3,n+4,n-5,n+6,n+1,n-2], then the average of the list is a) 6 b) 8 c) 10 d) 11 e) none of these 12. Sally walks on a level path from A to B at 4 mph, up a hill from B to C at 3 mph, back down to B at 6 mph and finally returns from B to A at 4 mph. If her round trip time was 6 hours then her total round trip distance, in miles, was a) 12 b) 6 c) 24 d) cannot be determined e) none of these C 13. An equilateral triangle ABC is inscribed in a circle with center O. If the triangle area is 3 , then the circle area is a) 3 π /2 b) π 3 c) 2π 3 / 3 d) 3π 3 / 4 e) none of these O A B 14. A coin, 1/2 inch in diameter, is tossed onto a black and red checkerboard. The center of the coin lands randomly on one of the squares of the board. If the squares have 2 inch sides, then the probability that the entire coin is within one of the black squares is a) 1/2 b) 9/16 c) 1/4 d) 9/32 e) none of these 15. The trapezoid ABCD shown has AB parallel to CD, AD perpendicular to AB, AD = 12, AB = 18, and an area of 186. The perimeter of the trapezoid is a) 56 b) 54 c) 62 e) 60 e) none of these D A C B PAGE IV 16. If f ( x) = 1 + x 3 and [ g ( x)]3 = x − 1 , then the sum of all possible values of g ( f (2 )) is a) 0 b) 2 c) 4 d) 6 e) none of these Let A = x 2 − 6 x − 6 and B = x 2 + 4 x − 60 . Find all possible values of x that satisfy the equation A B = 1 . The sum of all these x values is 17. a) -4 b) 6 c) 2 d) 0 e) none of these 18. In the 4 × 4 grid shown, three coins are randomly placed in different squares. The probability that no two coins lie in the same row or column is a) 9/64 b) 6/35 c) 7/40 e) 9/65 e) none of these 19. A rectangular piece of paper, PQRS, has PQ = 15 and QR = 20. The piece of paper is glued on the surface of a large cube so that P and R are on vertices of the cube. (Note that PQR and PSR lie at on the front and top faces of the cube, respectively.) The shortest distance from Q to S, as measured through the cube, is a) 384 b) 337 c) 342 d) 386 S P R Q e) none of these 20. Given the rectangle ABCD with AB = 8 inches and AD = 4 inches. The rectangle is folded so that vertices A and C coincide. What is the length, in inches, of the crease? a) 3 6 / 2 b) 2 5 / 3 c) 2 6 / 3 d) 2 5 e) none of these