Re: [計量] Diane completed each of her ...
※ 引述《angeldas (趴趴)》之銘言：
: P,Q and R are distinct points on a straight line, with Q between P and R, S is
: a point NOT on the line, and QR=QS
: PR PS
: Ans.A
S
/|
/ |
/ |
/ |
-----------------------------------
P Q R
因為 PQ + QS > PS
所以 PQ + QR = PR > PS
: Diane completed each of her exercise sets in 75 seconds and rested for 55 sec
: between the exercise sets. What is the ration of the amount of time it took her
: to complete an exercise set to the amount of time she rested between the sets?
: (A)5:6
: (B)5:11
: (C)6:11
: (D)11:5
: (E)11:6
: Ans.B
: 我直接用75:55----->15:11.沒有這個選項...> <
: 還有一題....一個圓直徑本身和圓周所形成的所有角應該是角度一樣嗎？
: 這題好像很笨..我覺得畫出來感覺不一樣...但他們都對應同一個圓周...不應該都是一樣嗎？！
: To obtain an FHA mortgage for $50,000 or more, the home buyer must have a down
: payment equal to 4% of the first $25,000 of the mortgage amount and 5% of the
: portion in excess of $25,000.At settlement the buyer pay a mortgage insurance
: premium equal to 3% of the mortgage amount. What is the maximun FHA mortgage,
: if any a buyer can obtain if the buyer has only $6,000 available for the down
: payment and insurance premium?
: Ans. $78,125
: 68 people are sitting in 20 cars abd each car contains at most 4 people. What
: is the maximum possible number of cars that could contain exactly 1 of the 68
: people?
: Ans. 4 why not 3
: In a graduating class of 236 students, 142 took algebra and 121 took chemistry.
: what is the greatest number of students that could have taken both algebra and
: chemistry.
: Ans. 121 why not 27
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