SAT测试卷.doc

SAT TEST——Maths If 3b+1＜ 10, which of the following CANNOT be the value of b? -1 (B) 0 (C) 1 (D) 2 (E) 3 If 2 4x =16, then x= 1 (B) 2 (C) 4 (D) 8 (E) 12 How much greater than r – 2 is r + 5? 2 (B) 3 (C) 5 (D) 6 (E) 7 In the figure above, a path form point A to point D is determined by moving upward or to the right along the grid lines. How many different paths can be drawn from A to D that do not include either B or C? Two (B) Four (C) Six (D) Eight (E) Sixteen If 3/7 of n is 42, what is 5/7 of n? 70 (B) 45 (C) 30 (D) 18 (E) 10 The eggs in a certain basket are either white or brown. If the ratio of the number of white eggs to the number of brown eggs is 2/3, each of the following could be the number of eggs in the basket EXCEPT 10 (B) 12 (C) 15 (D) 30 (E) 60 If 18 = r, where r and t are positive integers and r ＞ t, which of the following could be the value of rt? 18 (B) 36 (C) 108 (D) 162 (E) 324 In the figure above, what is the value of c in terms of a and b? a + 3b – 180 (B) 2a + 2b – 180 (C) 180 – a – b (D) 360 – a – b (E) 360 – 2a – 3b If t 3 = 351, what is the value of 4t 3? What is the coordinate of the point on a number line that is exactly halfway between the points with coordinates 53 and 62 ? In the figure above, ABCD is a rectangle with BC = 4 and AB = 6. Points P, Q, and R are different points on a line (not shown) that is parallel to . Points P and D are symmetric about line AB and points Q and R are symmetric about line CD. What is the length of ? 6 (B) 8 (C) 10 (D) 12 (E) 20 The price of a telephone was first increased by 10 percent and then the new price was decreased by 25 percent. The final price was what percent of the initial price? 78% (B) 80% (C) 82.5% (D) 85% (E) 87.5% When the number w is multiplied by 4, the result is the same as when 4 is added to w. What is the value o