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自测试题一(2)

2006-07-07 00:36

  17. 3 - 2  =

  (A) -30

  (B) -10

  (C) 23

  (D) 63

  (E) 77

  18. For every positive integer n greater than 1, n! Is

  defined as the product of the first n positive integers,

  For example, 4! = (1) (2) (3) (4) = 24. What is the

  value of  ?

  (A) 2

  (B) 66

  (C) 121

  (D) 132

  (E) 144

  19. A market survey showed that 76 percent of the

  visitors at a certain resort came from Pacific or

  southwestern states. Of these,   were from

  California, and 87 percent of the Californians were

  from southern California. Approximately what percent

  of the visitors at the resort were from southern

  California?

  (A) 40%

  (B) 45%

  (C) 50%

  (D) 55%

  (E) 65%

  20 If   is an integer an n is an integer, then n

  could be each of the following EXCEPT

  (A) 4

  (B) 6

  (C) 13

  (D) 25

  (E) 26

  Questions 21-22 refer to the following table.

  21. What is the ration of the amount budgeted

  annually for food to the amount budgeted annually

  for savings?

  (A) 4 to 3

  (B) 4 to 7

  (C) 5 to 3

  (D) 7 to 3

  (E) 7 to 4

  22. If a pie graph (such as the one above) were drawn

  to scale to represent the budges distribution into the

  five categories, what would be the measure of the

  central angle of the sector representing savings?

  (A) 15?

  (B) 30?

  (C) 36?

  (D) 42?

  (E) 54?

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