[計量] CAT test6
11.What is the difference between the sum of the first 2003 positive
even integers and the sum of the first 2003 positive odd integers?
ans : 2003
26.Of the families in City X in 1994, 40 percent owned a personal computer.
The number of families in City X owning a computer in 1998 was 30 percent
greater than it was in 1994, and the total number of families in City X
was 4 percent greater in 1998 than it was in 1994. What percent of the
families in City X owned a personal computer in 1998?
ans: 50%
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