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 and E are sitting on a bench. A is sitting next to B, C is sitting next to D, D is not sitting with E who is on the left end of the bench. C is on the second position from the right. A is to the right of B and E. A and C are sitting together. In which position A is sitting ?

    Right Option : B
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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 at the ends ?

    Right Option : A
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    Explanation
    Question : 3

    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.

    How many person are sitting between Beena and Fatima ?

    Right Option : D
    View Explanation
    Explanation
     
     
     
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