PP1-PS
7. 905-!-item-!-187;#058&000575
For every positive even integer n, the function h(n) is defined to be the product of all the even integers from 2 to n, inclusive. If p is the smallest prime factor of h(100) + 1, then p is
(A) between 2 and 10
(B) between 10 and 20
(C) between 20 and 30
(D) between 30 and 40
(E) greater than 40
ANS:E（想不出解題的方法？）
24. 3022-!-item-!-187;#058&003084
In a certain game, the units of currency of three countries are the crown, the shield, and the pound, respectively. If 2 crowns equal 3 shields and 3 shields equal 4 pounds, how many crowns equal 18 pounds?
(A) 9
(B) 16
(C) 18
(D) 32
(E) 36
ANS:A(我怎麼算都是E，是不是我腦袋燒壞了！)
48. 6225-!-item-!-187;#058&004914
A certain city with a population of 132,000 is to be divided into 11 voting districts, and no district is to have a population that is more than 10 percent greater than the population of any other district. What is the minimum possible population that the least populated district could have?
(A) 10,700
(B) 10,800
(C) 10,900
(D) 11,000
(E) 11,100
ANS:D
90. 10132-!-item-!-187;#058&007125
A circular jogging track forms the edge of a circular lake that has a diameter of 2 miles. Johanna walked once around the track at the average rate of 3 miles per hour. If t represents the number of hours it took Johanna to walk completely around the lake, which of the following is a correct statement?
(A) 0.5 < t < 0.75
(B) 1.75 < t < 2.0
(C) 2.0 < t < 2.5
(D) 2.5 < t < 3.0
(E) 3 < t < 3.5
ANS:C（距離不就是圓的圓周嗎？直徑﹦2，不是就直接把速率帶進去嗎？可是.....我就是算不出正確的答案？）
