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Triangular Arrangement - Facing Outside

Seating Arrangement - Concepts

Linear Arrangement

Parallel Linear Arrangement

Linear Arrangement - Opposite Direction

Circular Arrangement Facing Centre

Circular Arrangement Facing Outside

Circular Arrangement Facing Centre and Outside

Rectangular Arrangement Facing Centre

Rectangular Arrangement Facing Outside

Rectangular Arrangement Facing Centre and Outside

Triangular Arrangement - Facing Centre

Triangular Arrangement - Facing Outside

Triangular Arrangement - Facing Centre and Outside

Class - 9th ISO Subjects

Concept Explanation

Triangular Arrangement - Facing Outside

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.

Triangular Arrangement - Facing Outside: In a triangular arrangement, persons are arranged around a triangle, according to certain conditions.Here we are discussing the arrangement in which all the people are sitting around a triangle facing away from the centre of the triangle or we can say facing outside. They may be a situation in which certain objects are placed in a triangular order with their faces away from the centre. In triangular arrangement when the persons are facing outside. Right means Clockwise Direction and Left means Anti-clockwise Direction

Illustration: A, B, C, D, E, F are sitting in a triangle facing outside, three of then are sitting at corner and three in the middle.

A sits at corner. B is third to the right of A.

E sits adjacent to B and is not an immediate neighbour of C.

A sits second to the left of F.

Question : - Who sits second to the left to the one who is immediate right of E?

A. D B. C C. F D. B E. A

Answer: D

Solution: According to the first statement it is given that A sits at corner. B is third to the right of A and as the persons are facing outside Right means Clockwise Direction. The positions are shown in Figure I

Figure I

In the next statement it is given that E sits adjacent to B. So according to the figure I there can be two possibilities, they are shown in Figure II and Figure III

Figure II

Figure III

In the next statement it is given that A sits second to the left of F. But the position where F can placed is occupied in Figure III so it is eliminated and Hence on placing F in figure II we get Figure IV

Figure IV

In the second statement it was also given that E sits adjacent to B and is not an immediate neighbour of C. So we will place C as shown in Figure V

Figure V

The vacant position is occupied by D. and the final figure will be.

We will solve the question using the figure. The person on the immediate right position to E is D because the persons are facing outside so the right means clockwise, and the person who is second to the left of D is B because left means anticlockwise. Hence B is the person who sits second to the left to the one who is immediate right of E. Hence the correct option is B.

Sample Questions

(More Questions for each concept available in Login)

Question : 1

Six persons M, N, O, P, Q and R are sitting in a triangle such that that three are sitting at the corner of the table and three are sitting in the middle of the sides of the table, facing away from the centre. All six persons like different colours among Red, Blue, Green, Yellow, Black and White. They are not seated necessarily in the mentioned order. The one who likes Black colour sits second to the left of M. R sits adjacent to the one who likes black. N sits immediate right of the one, who likes Red. M does not like Red. N is not adjacent to the one who like Black. P likes Blue. O does not like Red. The one who likes Yellow is to the immediate right of the one who likes White. R does not like White. M doesn’t sit at corner of the table. Who among the following likes Green colour?
A. M	B. N	C. O	D. Q
Right Option : A
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Question : 2

Nine persons i.e. A, B, C, D, E, F, G, H and I are sitting around a triangular table. All of them are facing outside the table. Three persons are sitting on each side of the table. A and H are sitting to the immediate left and immediate right of each other but on different sides of the table. E sits second to the right o f H. G sits fourth to the left of H. B and D are immediate neighbours of G, B sits second to the left of D. Two persons sit between B and F who is not an immediate neighbour of E. C sits second to the left of I. Who sits third to the left of A?
A. B	B. D	C. F	D. G
Right Option : D
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Question : 3

Nine persons i.e. A, B, C, D, E, F, G, H and I are sitting around a triangular table. All of them are facing outside the table. Three persons are sitting on each side of the table. A and H are sitting to the immediate left and immediate right of each other but on different sides of the table. E sits second to the right o f H. G sits fourth to the left of H. B and D are immediate neighbours of G, B sits second to the left of D. Two persons sit between B and F who is not an immediate neighbour of E. C sits second to the left of I. Which of the following sit between E and H?
A. C	B. A	C. F	D. D
Right Option : A
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