Seven IUTian boys and seven IUTian girls together all meet up for a meal. To commemorate the occasion. they arranged for a photograph to be taken of all 14 of them standing in a line. How many different arrangements are there if the 7 boys all stand together and 7 girls all stand together?
A 50403242
B 50405646
C 50803200
D 50804932
Solution
Correct Answer: Option C