﻿ In a group of 8 girls, two girls are sisters. The number of ways in which the girls can sit so that two sisters are not sitting together is : Kaysons Education

# In A Group Of 8 Girls, Two Girls Are Sisters. The Number Of Ways In Which The Girls Can Sit So That Two Sisters Are Not Sitting Together Is

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## Question

### Solution

Correct option is

None of these

The required number of ways

= the number of ways in which 8 girls can sit – the number of  ways in which two sisters are together

= 8! – (2) (7!) = 30240.

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