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Andrew 2003-02-17 15:24:50
1.If Z=2, (2xz+yz)/(2xz-xy)=?
1)2x+y=3
2)Z=2
Ans:E
2.If m,n are nonzero integers, is m^n an integer?
1)n^m is positive
2)n^m is a integer
Ans:A
3.Among a batch of cars, a 74% of them have A, and a 71% of them have B. What is
the percent of the cars that have both?
1)the percent of the cars that have B but not A is 11%
2)the percent of the cars that have both is twice the percent that have neither
A nor B
Ans:D
4. I can't remember this item clearly. The sucessor supplement.
A payment on a credit card acount is x or 5 percent of the y, the balance of the
credit card account. What is the x?(I'm sure about the question and I must be
wrong at this item. But I'm sure about the two conditions.)
1) 10x=y
2) y=200
4. Machines T and S process 1,000 pieces in 4 hours. How many hours will S take
to do it alone? The second condition is that T takes ***. I can't remember this
condition.But pay attention to it. May be I have made a mistake in understanding
the second condition.
CR.An analyst said that a manufacture will lay off its employees. Yet the
manufacture has received a big order from another company. Why does analyst not
revise his conclusion?
I chose that the company that put the big order has cancelled another bigh order
at the same time.
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