[計量] CAT計量問題請教(II)

看板GRE (GRE入學考試)作者think12381時間16年前 (2009/08/05 22:22)推噓0(0推 0噓 0→)

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麻煩各位了謝謝 CAT 18 8. a wooden cube with edges of 4 inches is painted red. the cube is then cut into 64 small cubes with edges of 1 inch. COL A the number of small cubes that have exactly three red faces COL B the number of small cubes that have no red faces A B 分別如何算 ans 一樣大 A col a 大 B col b 大 C 一樣大 D 不能比 11. which of the following express the area of a circle in terms of C, its circumference? ans c^2/4pi 24 a shool group charters three identical buses and occpuies 4/5 of seats. after 1/4 of the passengers leave,the remaining passengers use only two of the bues. COL A the fraction of the seats on the two buses that are occupied COL B 9/10 ans C 26 in a group of 100 students, there are more students on the fencing team than in the french club. if 70 are in the club and 20 are in neither on the team nor in the club, what is minimum number of students whocould be both on the team and in the club. a 61 b 60 c 50 d 49 e 10 ans 61 28 one side of a triangle has length 6 and a second side has length 7. which of the folling could be the area I.13 II 21 III 24 ans I and II CAT19 17. the first term of a sequence is 1, and each of the following terms is 1 less than than 3 times preceding term. COL A the smaller number that is greater than 100 in the sequence COL B 120 ans A 26. An obtuse triangle has sides of lengths of 11, 15, and k, where k is an integer. COL A the number of K values of K COL B 13 ans C CAT 20 6 圖是一個方形裡面有兩個半圓長這樣 ")(" 有相切問的是不是圓的部份 the shaded region above is bounded by two semicircles and two sides of square abcd. the perimeter of the shaded region is 4+2pi. COL A the area of the shaded region COL B 1 ans B 17 圖是一個圓裡面有兩個互相垂直的直徑這兩條直徑成這個形狀 "+" in the circle with center O show above, AB and CD are diameters perpendicular to each other and chord DF intersects AB at point E. if DE = 6 an EF = 2, the area the area of the circle O is ans 24pi 23 if E(n) represents the sum of even digits of n for example, E(5681) = 6 + 8 = 14, then E(1) + E(2) + E(3) +.....E(100) is ans 400 26. if a is greater than c by 50%, and b is greater than c by 25%, then a is greater than b by what percent ans 20 順便問一下 by 50%是什麼意思 28. the two-digit integers N ans N' are positive and have the same digits, but in reversed ordered. how many integers N are there if the sum of N and N' is a percect square?? ans 8 -- -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 61.64.156.172 ※ 編輯: think12381 來自: 61.64.156.172 (08/05 22:27) ※ 編輯: think12381 來自: 61.64.156.172 (08/06 01:13)