4 A cricket team of 11 players is to be chosen from 21 players consisting of 10 batsmen, 9 bowlers and 2 wicketkeepers. The team must include at least 5 batsmen, at least 4 bowlers and at least 1 wicketkeeper.
- Find the number of different ways in which the team can be chosen.
Each player in the team is given a present. The presents consist of 5 identical pens, 4 identical diaries and 2 identical notebooks.
- Find the number of different arrangements of the presents if they are all displayed in a row.
- 10 of these 11 presents are chosen and arranged in a row. Find the number of different arrangements that are possible.