A, B, C, D, N, O and P are sitting in a straight line, facing the north. Only two people sit to the left of N. Only three people sit between N and P. O sits second to the right of N. Only two people sit between O and D. C sits at some place to the right of B but at some place to the left of A. How many people sit to the right of C?

How many people are there in a group standing in a straight line, given that A and E are at the two ends and there are exactly 3 people between them?

A certain number of people are sitting in a row, facing North. Only eight people sit between R and P. Only two people sit to the left of Q. R sits third to the right of T. Only four people sit between P and Q. Only two people sit to the right of V. Only six people sit between T and V. If no other person is sitting in the row, then what is the total number of people seated?