Circular Arrangement Facing Centre and Outside


 
 
Concept Explanation
 

Circular Arrangement Facing Centre and Outside

Seating Arrangement:  These type of questions are the most common type in most of the competitive examinations where are reasoning of the candidate is to be analysed. These concepts involve the arrangement of objects/ people in various ways. Generally one problem is followed by five to six questions so it is always advantageous to attempt the seating arrangement questions in the examination, because by solving one problem we are fetching more marks than by solving other single questions.

Circular Arrangement Facing Centre And Outside: In facing away from the center that is outside, left means anti-clockwise while right means clockwise direction.  In circular arrangement  facing towards the centre means right means anti-clockwise Direction and left means clockwise Direction. As both the concepts are to be applied to the same question, we will draw a diagram depicting the position of the objects or people. When the question arises where both type of sitting is provided, we will follow the rulers of both the directions and draw as many alternatives as available Later, according to the conditions provided the alternatives will get eliminated & only I valid diagram will remain. We will then analyse the position of the various objects or the people and will then answer the questions.

Illustration: Study the following information to answer the given questions :

V, U, T are seated in a circle facing to the centre. A, B, C, are also seated in same circle but two of them are not facing centre (opposite of the centre). V is second to the left of C. U is second to the right of A. B is third to the left of T. C is second to the right of T. A is next to V..

What is position of A with respect to B ?

A.  2nd to the left                 B. 3rd to the right                 C. 2nd to the right                    D. 3rd to the left    

Answer: A

Solution: When the question arises where both type of sitting is provided, we will follow the rulers of both the directions and draw as many alternatives as available Later, according to the conditions provided the alternatives will get eliminated & only I valid diagram will remain.

Given : - V, U, T - Facing centre A, B, C, - direction unknown

(a)  Since C's direction is not known, it can face inward / outward. So we will form 2 possibilities.

Fig. I

Fig. II

(b)  Also it is given then C is second to the right of T. So the Fig I gets eliminated as T can't be placed there.After placing T the Fig. II figure will be as shown in Fig. III

Fig. III

(c)  Now it is given U is second to right of A. Two possibilities.

Fig. IV

Fig. V

(d)  B is third to right of T. So B cannot be placed in Fig. IV. Hence Fig IV is eliminated and after placing B the Fig. V figure will be as shown in Fig. VI. Moreover only two are facing outwards so U will face inwards. Hence the final diagram will be Fig. VII

Fig VI

Fig. VII

 From the diagram it is clear that counting from B in anticlockwise direct, A is second to the left of B.Hence A is the correct option.

Sample Questions
(More Questions for each concept available in Login)
Question : 1
Read the comprehension carefully to answer the given question.
 
Eight persons – A, B, C, D, E, F, G and H are sitting around a circular table, but not necessarily in the same order. Four of them are facing inside while rests of them are facing outside.
 
C is not adjacent to A, who is facing same direction as B. Two persons are sitting between E and G, who are facing different directions. B is sitting fourth to the left of E, who faces centre. E is sitting second to the right of C. Only one person is sitting between A and H, who are facing different directions. F is to the immediate left of H, who is facing same direction as E. D and F are facing same directions.
Who among the following sits second to the right of G?
 
Right Option : D
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Explanation
Question : 2
Directions: Study the following information carefully and answer the questions given below:

Eight workers I, J, K, L, M, N, P and Q are sitting around a circular table but not necessarily in the same order. Some of them are facing outward. They are working at four stalls, viz Cloth, Food, Footwear and Books, in a trade fair. Two persons are working at each stall.

Note: Facing the same means if one face the centre then the other person also faces the centre and if one person faces outward then the other person also faces outward.
Facing opposite directions means if one person faces the centre then the other person faces outward and vice versa.
 
  • K sits third to the left of Q, who works at the Footwear stall, and both are facing the same direction.
  • P sits on the immediate right of J, who works at  the Cloth stall.
  • K and J are not facing the same direction but K is an immediate neighbor of M, who is fourth to the left of P
  • M and P both are facing opposite directions but both work at the same stall.
  • Those who work at the Cloth stall sit adjacent to each other but face opposite directions.
  • Those who work at the Food stall sit opposite each other.
  • The immediate neighbors of M are not facing outward.
  • A person who works at the Footwear stall is an immediate neighbor of the person who work at the Book stall.
  • L and N are immediate neighbors of Q.
  • L is not facing the centre and works at the Book stall.
  • The one who is on the immediate left of N is not facing the centre. N sits second to the right of K.

Which of the following are neighbour of K ?

Right Option : B
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Explanation
Question : 3
Directions: Study the following information carefully and answer the questions given below:

Eight workers I, J, K, L, M, N, P and Q are sitting around a circular table but not necessarily in the same order. Some of them are facing outward. They are working at four stalls, viz Cloth, Food, Footwear and Books, in a trade fair. Two persons are working at each stall.

Note: Facing the same means if one face the centre then the other person also faces the centre and if one person faces outward then the other person also faces outward.
Facing opposite directions means if one person faces the centre then the other person faces outward and vice versa.
 
  • K sits third to the left of Q, who works at the Footwear stall, and both are facing the same direction.
  • P sits on the immediate right of J, who works at  the Cloth stall.
  • K and J are not facing the same direction but K is an immediate neighbor of M, who is fourth to the left of P
  • M and P both are facing opposite directions but both work at the same stall.
  • Those who work at the Cloth stall sit adjacent to each other but face opposite directions.
  • Those who work at the Food stall sit opposite each other.
  • The immediate neighbors of M are not facing outward.
  • A person who works at the Footwear stall is an immediate neighbor of the person who work at the Book stall.
  • L and N are immediate neighbors of Q.
  • L is not facing the centre and works at the Book stall.
  • The one who is on the immediate left of N is not facing the centre. N sits second to the right of K.

If L and N interchange their places then who among the following is on the immediate left of P?

Right Option : D
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Explanation
 
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