1.

 There are seven boys and four girls in a row. In how many ways can they be seated in the row so that all the girls do not sit together ?

A. 10! - 7! x 3!
B. 11! - 8! x 3!
C. 11! - 7! x 4!
D. 11! - 8! x 4!
Answer» E.


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