January. JJ

2003-01-18 00:27:04

First, in my case NOTHING is allowed in the test room. Certainly not Calculator as another person suggested (see )

Most of Math questions are relatively easy, and lots of them already discussed in some earlier JJ(s) -- THANKS.
I encountered 2 particular difficult ones (to me). They are both Data Sufficiency questions. Unfortunately I was so concentrated then that I couldn't remember anything about them now. The good news is: you could still get 51 in Math.

1. 2 scales, both are linear (some earlier JJs already mentioned this question but all of them omitted this important assumption.)
Scale#1's 30 corresponds to #2's 8.
Scale#1's 60 corresponds to #2's 24.
What does #1's 100 correspond to on #2 ?
Answer: just draw a map and list the equations -- easy.

2. Celsius v.s. Fahrenheit
Given F=((C*(5/9)) + 32), also given 5 distinct points on C scale, and a Ans: 5/9(e-a)

3. 10 balls, 1 red, 1 blue. Randomly pick 3, what's the probability that it includes the red but not the blue ?
Ans: 7/30.

4. 0 x/3 is the square of a prime number.
Ans: 3 (x can be 12, 27, 75)

5. A coin. head and tail have same possibility. 扔3次. 3 次一样的概率?
Ans:1/4

6.m 被13除商为p余2, 被17除余2,p被17除余几?
Ans:0

7. 直脚三角形一条边为10,问另外俩条边为:
(1) 6, 8
(2) 15/2, 25/2
(3) ...(cannot remember the numbers)
Ans: choose the one that lists all of (1), (2), and (3).

Cannot remember more, but most of them are trivial.

>>打印此页<<

>>关闭窗口<<