Linear Arrangement


 
 
Concept Explanation
 

Linear Arrangement

SEATING ARRANGEMENT:

  • Arrangement is the positioning of things, persons, etc. in a particular order.
  • Seating arrangement is the manner in which people are arranged to sit around a table, in a row etc.
  • (i)  LINERAR ARRANGEMENT:

  • In a linear arrangement, thinds or persons are arranged linearly in rows or columns.
  • In a linear arrangement, the right or left of a person depends on which direction the person is facing.
  • Rules for Linear Arrangement:

  • Firstly, note down the direction in which the person is facing.
  • If it is written that a person is sitting to the left or right of a given person, then it does not necessarily mean than the person is sitting to the immediate left or to the immediatie right.
  • If it is written that a person is sitting in between two persons, then it does not necessarily mean that the person is sitting exaclty in the middle of the two persons.
  • Illustration: Five children are sitting in a row. S is sitting immediate next to P but not. T. K is sitting immediate next to R, who is sitting at the extreme left and T is not sitting immediate next to K. Who  is/are sitting adjacent to S?

    A. K and P                    B. R and P                 C. Only P                   D. P and T

    Answer: A

    Solution: We will analyse the question and then follow the following steps:

    Step 1: Draw a line and mark as many cuts as the numbers of persons to be arranged.

    Step 2: Fix the position  of R, which is at the extreme left, and fix  the position of K, which is Immediate next to R.

    Step 3: Now, fix the position of S, which is not immediate next to T and immediate next to P.

    The sequence of children are as followsR, K, P, S, T

    Illustration : A, P, R, X, S and Z are sitting in a row. S and Z are in the centre. A and P are at the ends. R is sitting to the left of A. Who is to the right of P ?

    A.  A                             B.  X                               C.  S                           D.  Z

    Answer : B

    Solution : As per the detail given in the question, S and Z are in the centre. A and P are at the ends. R is sitting to the left of O.

    Clearly, right of P is X

    Sample Questions
    (More Questions for each concept available in Login)
    Question : 1

    Nine persons – Chaya, Dimple, Beena, Ajit, Jaya, Fatima, Gagan, Hemant and Kaushal – are sitting in a straight line facing north, but not necessarily in the same order.

    Beena is fourth to the left of Gagan; Fatima is fourth to the right of Chaya and second to the left of Kaushal, who is fifth to the right of Ajit. Dimple is not an immediate neighbour of either Kaushal or Beena. There are only three persons between Jaya and Ajit. Gagan is second to the right of Chaya.

    Which of the following are the neighbour of Jaya?

    Right Option : C
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    Question : 2

    In an Exhibition seven cars of different companies - Cadillac, Ambassador, Fiat, Maruti, Mercedes, Bedford and Fargo are standing facing to east in the following order :

    1. Cadillac is next to right of Fargo.
    2. Fargo is fourth to the right of Fiat.
    3. Maruti car is between Ambassador and Bedford.
    4. Fiat which is third to the left of Ambassador, is at one end.

    Which of the following groups of cars is to the right of Ambassador

    Right Option : B
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    Question : 3
    Eight People A, B, C, D, E, F, G and H are sitting in a straight line, all of them facing the same direction. Each one of them has birthdays in different months – January, February, April, May, July, September, October and December but not necessarily in the same order. G sits third to the right of the person whose birthday is in July. The person whose birthday is in December sits second to the right of G. A and E are immediate neighbors of each other and neither of them have their birthdays either in July or December and they are not immediate neighbor of G. H sits third to the right of the person whose birthday is in January. Neither A nor E join in January. H’s birthday is in December. Only two people sit between E and the person whose birthday is in October. The person whose birthday is in February sits to the immediate left of D. Only one person sits between E and B. C has his birthday in one of the months before July. E’s birthday is in a month after May.The person at one of the end has birthday in May.
    Name the person having birthday in October ?
    Right Option : A
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