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
    A, B, C, D, E, F and G are sitting in a row facing North :
    1) F is to the immediate right of E.
    2) E is 4th to the right of G.
    3) C is the neighbour of B and D.
    4) Person who is third to the left of D is at one of ends.
    What is the position of A ?
    Right Option : D
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    Explanation
    Question : 2

    In a school, Seven friends – M, V, K, D, T, J and R are standing facing to east in a particular order. Each of these seven friends are studying in different classes- IIIrd. IVth, Vth, VIth, VIIth, VIIIth and IXth standards. Each of them has different favourite colours- yellow, blue, red, white, black, green, and violet.

    J likes red and studies in Class Vth.K which is third to the left of V, is at one end.R likes violet and studies in class IIIrd. D car is between V and J.M studies in Class VIIIth and does not like green and yellow.K likes white and does not study in VIIth and in IVth. R is fourth to the right of K. D studies in VIth and likes black. M is next to right of R. T does not study in IVth. V does not like green.

    Seven friends studying in different classes- IIIrd. IVth, Vth, VIth, VIIth, VIIIth and IXth standards.

    Which of the following are the neighbours of D?

    Right Option : A
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    Explanation
    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 sitting between B and D ?
    Right Option : A
    View Explanation
    Explanation
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