We can calculate the number of seats by taking the number of children divided by the number of long tables. If we have 240 childrens and 15 long tables:
The number of seats that 240 children at 15 long tables is 16 seats per table. The answer is C
Answer: Ask the king to draw first and read it. Explain that if the king selects "leave" the PM's choice could only be "stay". It is then unnecessary for the PM to draw. It avoids embarrassing the king in his lie, demonstrates the PM's intelligence, and keeps his job.