Question

Six persons a,b,c,d,e &f went to soldier cinema. There are six consecutive seats. A sits in the first seat followed by b, followed by c and so on. If a taken on of the six seats, then b should sit adjacent to

a. C should sit adjacent to a or

b. D should sit adjacent to a, b or c and so on. How many possibilities are there ?"

Answer 1

Answer:

there is only 2 possibility that if a is adjacent or C is adjacent. .