1.

There are three girls in a class of 10 students. The number of different ways in which they can be seated in a row such that no two of the three girls are together is

A. \[7\ !\ {{\times }^{6}}{{P}_{3}}\]
B. \[7\ !\ {{\times }^{8}}{{P}_{3}}\]
C. \[7\ !\ \times 3\ !\]
D. \[\frac{10\ !}{3\ !\ 7\ !}\]
Answer» C. \[7\ !\ \times 3\ !\]


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