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GRE出国考试自测模拟试题一(3)

留学快车整理  08-04-15 00:00:00 责任编辑:蔡宇 我要评论 选校
Questions 23-25 refer to the following graphs.
  23. The funds distributed in 1992 for youth
  development were approximately
  (A) $38,000
  (B) $170,000
  (C) $380,000
  (D) $450,000
  (E) $1,700,000
  24. The increase in the amount of money distributed
  for family support from 1992 to 1993 was closest to
  which of the following?
  (A) $0
  (B) $24,000
  (C) $40,000
  (D) $60,000
  (E) $94,000
  25. If all of the emergency assistance funds in 1993
  were distributed among 40 groups, which of the
  following is closest to the average (arithmetic mean)
  amount distributed per group?
  (A) $10,000
  (B) $11,000
  (C) $12,000
  (D) $13,000
  (E) $14,000
  26. The curve above consists of three semicircles: AB,
  BC, and CD. The diameter of AB is 2, the diameter of
  BC is twice the diameter of AB, and the diameter of
  CD is twice the diameter of BC. What is the total
  length of the curve?
  (A) 2
  (B) 4
  (C) 6
  (D) 7
  (E) 8
  27. What is the cost, in cents, of using a certain fax
  machine to send n pages of a report if the total cost
  for sending the first k pagers is r cents and the cost
  for sending each additional page is s cents?
  (Assume that n > k.)
  (A) r + s (n - k)
  (B) r + s (n + k)
  (C) rs(n + k)
  (D) kr + s(n - k)
  (E) kr + ns
  28. A rectangular solid has a square base and altitude
  of 7. If the volume of the solid is 252, then the
  perimeter of the square base is
  (A) 9
  (B) 24
  (C) 28
  (D) 36
  (E) 49
  29. In a series of races, 10 toy cars are raced, 2 cars at
  a time. If each car must race each of the other cars
  exactly twice, how many races must be held?
  (A) 40
  (B) 90
  (C) 100
  (D) 180
  (E) 200
  30. (2 - 2 )(2 - 2 ) =
  (A) 2
  (B) 2
  (C) 2
  (D) 2
  (E) 2
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