How many combinations of students are possible if the group is to consist of an equal number of freshmen, sophomores, and juniors?

8280

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351

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8820

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3150

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none

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Solution

The correct option is C
8820

We need 2 freshmen, 2 sophomores and 2 juniors. So the number of combinations possible = $^{6} C_{2} \times^{7} C_{2} \times^{8} C_{2}$ =8820

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