Circular Permutation

In how many ways can 7 persons be seated in a circular table, if 3 of them insists on sitting beside each other?

• 120

• 60

• 140

• 144

Find the circular permutation of 8 persons seated at the table.

• 5040

• 1260

• 540

• 3040

Circular permutation with restrictions refers to those specific cases where a certain number of things or values either have to be always or always excluded.

Either included (together) or excluded (not together), in getting circular permutations we have to multiply the ways of the selected objects to the (n - 1)!, in which n is the total object after restrictions.

• True

• False

• Maybe

If Anna and her 8 friends are in a part, in how many ways they can arrange themselves if 3 of them refuse on sitting beside each other?

• 702

• 700

• 530

• 720