GMAT考試數學輔導04年1月數學總結
94. x is more than 3 but less than 100, ask how many prime squres are in 3/x.
95.two identical square in one rectangular, the perimeter of rectangular is 18xsqurt2, ask the perimeter of each square
96. 3男3女中選4個人，問4個人中男女相等的概率?
97.音樂會，6個曲目，其中3個必須連續但不限順序，求總共排法?
98.買第1-5本書8元/本，買第6--10本7元/本，買10本以后6元/本， 摩人買兩次，第一次共花32元，第二次化61元，問如果他一次就買所有的書，花多少錢?
99. A1=3， A2=5， An=An-1 An-2 ， pls add A1， A2 to A100，ask the result
Answer： 7
100.一個長方形長150米， 寬100米， 問用0。5米 邊長的正方形， 來覆蓋， 要用多少?
101.
數軸上四點A,B,C,D,AD=10,問長問短BC=?
1AB=6
2CD=5
我的答案:C
102.PS比較大小
R=-根號下, S=-根號下, T=-/2
我的答案:T
103. One ball will drop from a certain height. The height it will reach after rebounding from the floor is 75 percent of the previous height. The total travel is 2146cm when it touchs the floor on third time. Ask for the original height?
a)400cm
b)500cm
c)600cm
d)700cm
e)800cm
Answer: c
104.Jans 160. change 4w/3 to 5w/4.
105.DS, the sum of four consecutive odd numbers is 12 less than the sum of four consecutive even numbers, ask for the least among the odd numbers?
a) the sum of four consecutive odd numbers is 48.
b) the sum of four consecutive even numbers is 60.
my answer: D.
106. one rectangle with perimeter of 18Sqr2 is inscribed by two identical squares, ask for the perimeter of a square?
my answer: 12.
2 = L)^2, 2 = w^2, 2=18Sqr2, get a=3
107. 3x + 7y = 9, ask for ratio?
my answer: -3/7
108. pick up 2 from 12 items, the order does not matter, How many
selections are there?
My answer: C = 66.
109. sb A finishes the first 10 miles with speed of 40miles/hr, and the rest of 20 miles with speed of 60miles/hr, ask average speed?
my answer: 51.4
110. DS. two kinds of balls in a box, A and B, pick two balls from the box,
ask the probability that at least one A ball is picked?
a) A:B=3:1
b) the total balls in the box is less than 20.
My: e
111. which of following satisfy f=ff?
My: f=Sqr
94. x is more than 3 but less than 100, ask how many prime squres are in 3/x.
95.two identical square in one rectangular, the perimeter of rectangular is 18xsqurt2, ask the perimeter of each square
96. 3男3女中選4個人，問4個人中男女相等的概率?
97.音樂會，6個曲目，其中3個必須連續但不限順序，求總共排法?
98.買第1-5本書8元/本，買第6--10本7元/本，買10本以后6元/本， 摩人買兩次，第一次共花32元，第二次化61元，問如果他一次就買所有的書，花多少錢?
99. A1=3， A2=5， An=An-1 An-2 ， pls add A1， A2 to A100，ask the result
Answer： 7
100.一個長方形長150米， 寬100米， 問用0。5米 邊長的正方形， 來覆蓋， 要用多少?
101.
數軸上四點A,B,C,D,AD=10,問長問短BC=?
1AB=6
2CD=5
我的答案:C
102.PS比較大小
R=-根號下, S=-根號下, T=-/2
我的答案:T
103. One ball will drop from a certain height. The height it will reach after rebounding from the floor is 75 percent of the previous height. The total travel is 2146cm when it touchs the floor on third time. Ask for the original height?
a)400cm
b)500cm
c)600cm
d)700cm
e)800cm
Answer: c
104.Jans 160. change 4w/3 to 5w/4.
105.DS, the sum of four consecutive odd numbers is 12 less than the sum of four consecutive even numbers, ask for the least among the odd numbers?
a) the sum of four consecutive odd numbers is 48.
b) the sum of four consecutive even numbers is 60.
my answer: D.
106. one rectangle with perimeter of 18Sqr2 is inscribed by two identical squares, ask for the perimeter of a square?
my answer: 12.
2 = L)^2, 2 = w^2, 2=18Sqr2, get a=3
107. 3x + 7y = 9, ask for ratio?
my answer: -3/7
108. pick up 2 from 12 items, the order does not matter, How many
selections are there?
My answer: C = 66.
109. sb A finishes the first 10 miles with speed of 40miles/hr, and the rest of 20 miles with speed of 60miles/hr, ask average speed?
my answer: 51.4
110. DS. two kinds of balls in a box, A and B, pick two balls from the box,
ask the probability that at least one A ball is picked?
a) A:B=3:1
b) the total balls in the box is less than 20.
My: e
111. which of following satisfy f=ff?
My: f=Sqr
