expts plz help probability

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expts plz help probability

by gmatgetsetgo » Sat Dec 31, 2011 12:02 pm
109. An oratorical society consists of six members, and at an upcoming meeting, the members will present a total of four speeches. If no member presents more than two of the four speeches, in how many different orders could the members give speeches?
(A) 720
(B) 1080
(C) 1170
(D) 1470
(E) 1560
Source: — Problem Solving |

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