Re: [計量] 請教幾題(新東方)
※ 引述《cazzz (do or die)》之銘言：
: ** What is the maximum number of cubes with sides of a
: length that could fit inside a cube of length 2s?
: (A) 8 (B) 16 (C) 32 (D) 64 (E) 128
: ANS:D
不能算
: **During a sale at an office supply store, for every box of paper clips
: purchased for 15 cents, a second box can be purchased for 4 cents. How
: many boxes of paper clip did Paul buy if he spent 91 cents on boxes of
: paper clips?
: (A) 6 (B) 7 (C) 8 (D) 9 (E) 10
: ANS:D
他說"every" box of paper clips... and second box can...
題目沒有說除了第一個15cents接下來的都是4cents..(也就是類似超商的"第二件6折"的
意思)
式子我不知道怎麼列, 不過每套=15+4=19元 91/19=4...15 也就是4套+1個=9個
: **A group can charter a particular aircraft at a fixed total cost. If 36
: people charter the aircraft rather than 40 people, then the cost per
: person is greater by $12. What is the cost per person if 40 people charter
: the aircraft?
: ANS: $108
fixed total cost也就是總額固定,設總額x元
x/36-x/40=12 10x-9x=4320 4320/40=108
: **The numbers in the list above are ordered from least to greatest.
: If the average(arithmetic mean) is 2 greater than the median, what is
: the value of X ?
: (A) 22 (B) 20 (C) 17 (D) 16 (E) 15
: ANS:A
這題不能算
: **A certain five-member committee must be assembled from a pool of five women
: --A, B, C, D and E, and three men-- X, Y, and Z, what is the probability
: that the committee will include B, C, E, Y, and Z?
: (A) 1/30 (B) 1/25 (C) 2/35 (D) 1/15 (E) 3/32
: ANS:A
題目好像沒有給是否限定要由3男2女組成???
: **The enrollments at college X and college Y both grew by 8 percent from 1980
: to 1985. If the enrollment at college X grew by 800 and the enrollment at
: college Y grew by 840, the enrollment at college Y was how much greater than
: the enrollment at college X in 1985?
: (A) 400 (B) 460 (C) 500 (D) 540 (E) 580
: ANS:D
x=800/0.08=10000 y=840/0.08=10500 y-x=11340-10800=540
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努力討好女人...只會注定你淪落為在螢幕前打手槍的命運
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※ 編輯: axion123 來自: 220.140.124.34 (05/31 08:53)
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