Answer:
See explanation
Step-by-step explanation:
Twins can be identical boys, identical girls, non-identical boys, non-identical girls or one boy and one girl.
For the triplets, first list all possibilities with children sexes:
3 boys
3 girls
2 boys and 1 girl
2 girls and 1 boy.
Hence, all possible combinations are:
3 identical boys
2 identical boys and 1 non-identical boy
3 non-identical boys
3 identical girls
2 identical girls and 1 non-identical girl
3 non-identical girl
2 identical boys and girl
2 non-identical boys and girl
2 identical girls and boy
2 non-identical girls and boy
