Group of children

There is a group of children. There is a boy named Adam in each of the three children subgroups and a girl named Beata in each quartet (four-member subgroup).
How many children can be in such a group, and what are their names in that case?

Final Answer:

n =  5

Step-by-step explanation:

$$\begin{gathered} AdamAdamAdamBeataBeata \\ n=3+2=5 \end{gathered}$$

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