Team of four students is to be selected from a total of 12 students for a quiz competition. In how many ways it can be selected if two particular students have to be included in the team.

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Solution

The correct option is D

If two particular students are already selected, we need to select only 2 out of remaining 10 students.

Hence the number of ways = $^{10} C_{2} = 45$

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Team of four students is to be selected from a total of 12 students for a quiz competition. In how many ways it can be selected if two particular students have to be included in the team.

The correct option is D If two particular students are already selected, we need to select only 2 out of remaining 10 students. Hence the number of ways = 10C2=45

The correct option is D

If two particular students are already selected, we need to select only 2 out of remaining 10 students.

Hence the number of ways = $^{10} C_{2} = 45$