Read the following information carefully and answer the question given below.
Eight friends—Rahul, Mahesh, Priya, Dinesh, Prasad, Praveen, Ramu and Aruna sit in a row having chairs numbered one to eight in ascending order from left to right. They all are facing north direction.
Priya sits on the chair numbered six. There are exactly two persons between Priya and Rahul. Mahesh and Aruna always sit adjacent to each other. Ramu sits adjacent to neither Rahul nor Priya. Prasad never sits on a chair having an odd number on it. Neither Mahesh nor Aruna sits on chair numbered four. There is only one person between Praveen and Mahesh. Prasad sits on the right (not an immediate right) of Dinesh, and Dinesh never sits adjacent to Praveen.
Which of the following pairs sits at the two extreme ends?

​In the following number sequence, find out how many times ‘7, 5 and 3’ have appeared together in the same order?
7 3 7 5 3 7 5 7 5 3 7 5 7 5 3 7 5 3

P, Q, R, S, T, U, V and W are sitting in a line facing North, not necessarily in the same order. ‘W’ is on the immediate right of ‘S’. ‘Q’ is on the immediate left of ‘T’. There are three persons between ‘Q’ and ‘W’. ‘P’ is adjacent to ‘U’. ‘V’ is second to the left of ‘W’. ‘P’ and ‘Q’ are not at the ends. ‘R’ is on the immediate right of ‘U’. Who is at the left end of the line?

Seven friends A, B, C, D, E, F and G are sitting in a row facing South. ‘B’ and ‘F’ are not sitting together. ‘C’ is sitting second to the left of ‘D’. ‘A’ is not sitting with ‘C’. ‘D’ is sitting fourth to the right of ‘E’. ‘A’ and ‘B’ are not sitting together. Only ‘E’ is sitting between ‘F’ and ‘G’. ‘G’ is sitting second to the left of one who is sitting second to the left of ‘A’. Name two persons who are sitting at the extreme ends?

Eight persons named A, B, C, D, E, F, G and H are sitting in a straight line facing the north direction. C is third to the left of D. B is second to the left of C. E is to the immediate left of A. D is second to the left of F. G is to the immediate right of D.
Who is immediate right of H?

A, B, C, D, E, F and G are standing in a row facing towards East. 'E' is at an extreme end and has 'G' as his neighbour. 'B' is to the left of 'D' and 'F' is to the right of 'D'. 'D' is at the fourth position from the South end. There is only one person between 'D' and 'A'. 'C' is to the right of 'A'. Who is standing to the right of G?

Five soldiers are standing adjacent to each other in a row facing North. Y is to the right of W, but to the left of Z. V is to the left of W, but to the right of X. If they about turn in their positions to face South, which of the following statements is definitely not true?

A certain number of people are sitting in a row and facing North, if Tom is sitting 2nd from the left end and 60th from the right end, then find the total number of people sitting in a row?

Five boys A, B, C, D and E are seated on a bench
A is to the immediate left of C and to the immediate right of B
B is to the immediate right of D
There are exactly two people between C and D
E is to the extreme right end of the row and to the immediate right of C
Then who is seated exactly at the middle of the row?

Seven people, L, M, N, O, P, Q and R, are sitting in a row, facing north. Only two people sit to the right of N. Only two people sit between N and R. Only two people sit between L and Q. Q sits to the immediate left of N. O sits to the immediate right of P. Who sits at the third position from the left end of the line?

Six people, E, F, G, H, I and P, are sitting in a row, facing north. Only two people sit to the left of P. Only two people sit between P and E. Only one person sits between E and H. Only I sits between P and G. How many people sit between F and I?