question_answer

Mr. John has x children by his first wife and Ms. Bashu has x + 1 children by her first husband. They marry and have children of their own. The whole family has 10 children. Assuming that two children of the same parents do not fight, find the maximum number of fights that can take place among children.

A)  33                   

B)  22           

C)  111          

D)  None of these