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Question

Seven people, A, L, M, I, R, H and S, are sitting in a row, facing north.
Only three people sit to the left of A. Only H sits to the right of R. Only three people sit between R and L. M sits at some place to the left of I but at some place to the right of S.
How many people sit between S and I?

The correct answer is
Three

To determine how many people sit between S and I, we have to analyze the given seating arrangement based on the clues provided.

  1. There are seven people: A, L, M, I, R, H, and S, facing north.
  2. It is stated that only three people are to the left of A. Therefore, A must be sitting in the fourth position because this would leave exactly three spots open to its left:
S1S2S3AS5S6S7
  1. According to the clue, only H sits to the right of R, which implies R is in the sixth position and H is in the seventh position:
S1S2S3AS5RH
  1. There are three people between R and L, so L must be in the second position:
S1LS3AS5RH
  1. M is positioned somewhere to the left of I but to the right of S. Thus, S takes the first position, M the fifth, and I the third.
SLIAMRH
  1. Finally, count the number of people between S and I: L is listed between these two individuals, making it exactly three.

The correct answer is: Three

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Important Questions from Linear Arrangement

  1. M, N, L, O, Q and H are sitting in a row. Q and H are in the centre. M and N are at the ends. L is sitting to the immediate left of N. Who is to the right of M?

  2. Five friends, Shruti, Shreya, Anup, Ankit and Kiran, are sitting in a row facing towards the south. Shruti is between Shreya and Anup. Kiran and Shreya are sitting at the extreme ends of the west and east, respectively. Who is sitting in the middle?

  3. Five students are standing in a line. Suman is standing next to Pranav but not next to Deena. Kumar is standing next to Raju, who is standing on the extreme left, and Deena is not standing next to Kumar.

    Who is standing in the middle?
  4. Eight friends, A, B, C, D, E, F, G and H, are sitting in a straight line, all facing the north. F is sitting between D and G. B is sitting between H and A. E is third to the left of G. G is sitting at one of the corners. H is third to the left of C. Who is sitting between A and E?

  5. Five students are sitting in a row. Akbar is to the left of the person sitting in the middle, but to the right of Sekar. Prakash is to the right of Deva, and Ram is to the right of Prakash. Ram is second from the person sitting in the middle. Who is the person sitting in the middle?

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