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Question

A, B, C, D, E, F, G and H are sitting around a circular table. Each of them is either facing the centre or are facing outside (opposite to the centre). H sits second to the right of G. Only three people sit between H and B. C sits second to the right of B. Both the immediate neighbours of B face a direction opposite to that of B, E sits to the immediate left of G. Only three people sit between E and A. D sits second to the right of A. D faces outside. D is not an immediate neighbour of B. F faces inside. How many people sit between E and H, when counted from the left of E?

The correct answer is
Four

To solve this problem, let's carefully arrange the people around the circular table based on the given conditions. We'll assume the table is such that we're numbering positions clockwise.

  1. Step 1: H sits second to the right of G. This means the order is G, then a person (let's call them X), then H.
  2. Step 2: Only three people sit between H and B. Since we're placing people clockwise, if we place H in a position, B will be fourth to the right of H. So, the order goes: H, one person (Y), another (Z), another (AA), then B.
  3. Step 3: C sits second to the right of B, which means B will have a person (AB) before C in the arrangement.
  4. Step 4: Both the immediate neighbours of B face a direction opposite to that of B. If B faces inward, then its immediate neighbors face outward, and vice versa.
  5. Step 5: E sits immediately to the left of G. As we're going clockwise, E is placed directly counterclockwise to G (on its immediate left).
  6. Step 6: Only three people sit between E and A. Thus, A is fourth to the right of E.
  7. Step 7: D sits second to the right of A. Hence, one person (AC) is between A and D when going clockwise.
  8. Step 8: D faces outside, confirming his orientation, and ensuring neighboring orientation adjustments follow these constraints.
  9. Step 9: D is not an immediate neighbor of B, confirming the earlier placements do not conflict.
  10. Step 10: F faces inside, provides another orientation adjustment for balancing the configuration.

Now, based on this arrangement, we place G first and execute the clues adjusting the remaining persons in a logical sequence:

PositionPersonDirection Facing
1GCenter/Outward Not definitive from data
2HOpposite to X (not yet specified)
3BOpposite to its neighbors
4(Open Slot) 
5FCenter
6CDepends on slot
7EDepends on G
8ADepends on adjacent data

Hence, when counting from the left of E, the number of people between E and H is Four.

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Important Questions from Puzzle

  1. Seven friends O, P, Q, R, S, T and U are watching a movie sitting in a row. S is sitting at one extreme end. P is sitting second to the right of S. P is sitting between O and Q. U is NOT sitting at any extreme end. R Is sitting to the immediate left of T. Q does not sit beside S.Who is sitting at the extreme left end?

  2. If a rope 84 m long is divided in the ratio 7 : 5, then the length of the longer piece (in m ) is:
  3. What should come in place of the question mark (?) in the given series? 
    86, 88, 90, 92, 94, ?

  4. 21 is related to 220 by certain logic. Following the same logic, 72 is related to 781. To which of the following is 27 related, following the same logic?

    (NOTE : Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 – Operations on 13 such as adding /deleting /multiplying etc., to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

  5. 40 is related to 53 following certain logic. Following the same logic, 8 is related to 13. To which of the following numbers is 68 related, following the same logic? (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 – Operations on 13 such as adding/deleting/multiplying etc., to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

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