NDA || Mathematics || P & C || Quiz

A tea party is arranged for 16 people along two sides of a long table with eight chairs on each side. Four particular men wish to sit on one particular side and two particular men on the other side. The number of ways they can be seated is

There are 9 students appearing for an examination out of which 3 are appearing for physics and remaining 6 are appearing for different subjects. In how many ways can they sit in a row such that no two physics candidates are together.

What is equal to?

If a_n =  then value of  is _________

What is the maximum number of points of intersection of 5 non-overlapping circles?