A certain number of people are sitting in a row, facing north. P sits to the immediate left of Q. P sits second to the right of L.Z sits at one of the extreme ends of the row, Only one person sits to the right of S. K sits to the immediate right of D. L sits second to the right of D. Only two people sit between D and Z. Only one person sits between Q and S. If no other person is sitting in the row, what is the total number of persons seated?

Correct option is C

​Given: 

​A certain number of people are sitting in a row, facing north.  If no other person is sitting in the row, what is the total number of persons seated?

​P sits to the immediate left of Q. P sits second to the right of L. 

L , _, P, Q

​L sits second to the right of D.K sits to the immediate right of D.

D, K, L , _, P, Q

Only two people sit between D and Z.Z sits at one of the extreme ends of the row.

Z, _, _,D,  K, L , _, P, Q

Only one person sits to the right of S.  Only one person sits between Q and S.

​Z, _, _,D,  K, L , _, P, Q, _, S, _​

Final pattern is:

The total number of  People sitting in the raw 12

Correct Option : (c), 12