Team consists of boys and girls and Team has boys and girls. If a total of single matches can be arranged between these two teams when a boy plays against a boy and a girl plays against a girl, then is equal to
Explanation for the correct option:
Find the number of girls in the team :
Number of single matches that can arranged between Team and Team boys
Number of single matches that can arranged between Team and Team girls
Therefore, the total number of single matches arranged between two teams when a boy plays against a boy and a girl plays against a girls
Therefore, the number of girls in the Team
Hence, option (D) is the correct answer.