In how many ways atleast 5 students can be selected from 9 students.
256
512
128
None of these
A
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 should be included and two particular students don't want to be in the team.
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.
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 wish to be included together only.