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自测试题一(3)

  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