2014 HCI P2 Q5 [Modified]
(i)
A group of $5$ boys and $5$ girls are to be seated in a row of $10$ adjacent seats to watch a performance. Find the number of possible seating arrangements if not all the girls are seated together.
[2]
(ii)
After the performance, the group books a round table with $10$ identical seats at a restaurant for dinner. Given that $2$ particular girls are seated directly opposite each other, find the number of arrangements where exactly $4$ boys are seated together at the round table during dinner.
[3]
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