12. In a group of 16 students there are 10 girls and 6 boys. a) Determine the number of ways that a committee of 5 students can be chosen from this group. a) I mark b) Determine the number of ways that a committee of 5 students which has exactly 2 girls can be chosen from the group. b) 2 marks c) Determine the number of ways that a committee of 5 students which has at least 1 boy can be chosen from the group