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A schoolteacher has to select the maximum possible number of different groups of 3 students out of a total of 6 students. In how many groups will any particular student be included

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A schoolteacher has to select the maximum possible number of different groups of 3 students out of a total of 6 students. In how many groups will any particular student be included?

(a)

6

(b)

8

(c)

10

(d)

12

Answer:

(c)

Explanation

Any particular student will be included in 10 groups when selecting 3 students out of 6.