For the following questions answer them individually
The houses of five persons A, B, C, D and E are situated in such a way that A's house is 60 m to the north of E's house. D's house is 30 m to the west of E's house. B's house is 60 m to the north of C's house. C's house is 30 m to the west of D's house. In which direction is B's house with reference to A's house?
Eight persons J, K, L, M, N, O, P and Q are sitting around a circular table facing the centre. N is between M and J. P is second to the left of K. O is between Q and P. L is second to right of O. N is to the immediate left of J. Who is sitting at third place to the right of P?
Three statements are given followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.
1. All teachers are students.
2. All principal are teachers.
3. Some principals are doctors.
I. Some students are teachers.
II. No student is a doctor.
III. Some students are principals.