a) 17200
b) 12600
c) 45920
d) 43200
Answer: d
Explanation: The four person who wish to sit facing forward can be seated in: 5P4 ways and 3 who wish to sit facing towards the rear can be seated in: 5P3 ways and the remaining 3 can be seated in the remaining 3 seats in 3P3 ways.
Total number of ways
= 5P4 × 5P3 × 3P3
= 43200
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