GMAT 考满分题库

- 数学PS -

A hotel manager will select 1 of 10 eligible families to receive a free night’s stay and 2 of 15 eligible families to receive a free dinner in the hotel’s restaurant. If none of the families is eligible to receive both free services, how many different ways are are there of selecting 3 families to receive a free service?

  • A

    40

  • B

    300

  • C

    750

  • D

    1,050

  • E

    2,100

显示答案
正确答案: D

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