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Departments A, B, and C

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by ska7945 » Fri Aug 22, 2008 11:13 pm
Departments A, B, and C have 10 employees each, and department D has 20 employees. Departments A, B, C, and D have no employees in common. A task force is to be formed by selecting 1 employee from each of departments A, B, and C and 2 employees from department D. How many different task forces are possible?

A. 19,000
B. 40,000
C. 100,000
D. 190,000
E. 400,000

oa D
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Re: Departments A, B, and C

by sudhir3127 » Fri Aug 22, 2008 11:19 pm
ska7945 wrote:Departments A, B, and C have 10 employees each, and department D has 20 employees. Departments A, B, C, and D have no employees in common. A task force is to be formed by selecting 1 employee from each of departments A, B, and C and 2 employees from department D. How many different task forces are possible?

A. 19,000
B. 40,000
C. 100,000
D. 190,000
E. 400,000

oa D
D

10C1*10C1*10C1*20C2
10*10*10*190 = 190,000
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