Seating Arrangement Part03
Problem: 01
P, Q, R, S, T U, V and W are sitting around a square table, four of them sit at the four corners of the square
while four sits in the middle of each of four sides. The one who sit at the four corner face outside of the
table, while those who sit in the middle of the sides face the centre. R sits third to the left of U, who face
inside. Only two people sit between R and V. S and T are immediate neighbour of each others. S is not an
immediate neighbour of V. W sits third to the right of U. Only one person sits between T and P, P faces
centre
Step 1:
Step 6:
Case (iii)
R sits third to the left of U, who
Only one person sits between T
faces inside.
and P who faces centre.
(from step5 case(i) is not
possible to place P, so neglect
Case (iv)
Step 2:
Only two people sits between R
and V
Step 7:
Finally we have
remaining for Q
one
place
Step 4:
S is not an immediate neighbour
of V.
(So neglect the step3 case(i))
Step 3:
Step 5:
S and T are immediate neighbour W sits third to the right of U.
of each other.
(from Step3 case(ii) not possible
Case (i)
Exercise: 01
to place W, so neglect that case)
S, T, U, V, W, X, Y and Z are eight
Case (i)
friends sitting around a square
table, three of them facing centre
each is opposite another, there are
three females in the group. W is a
female sits third to the right of Z,
who if facing centre. Immediate
right of Z is a female. U facing
centre sits between two females.
Case (ii)
Case (ii)
Immediate neighbours of U facing
opposite direction of U. S is an
immediate left of U. only two
people sits between U and X. T
sits second to the right of S. Y is
an immediate left of T. V is a
male. Immediate left of X is a
female.
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Problem: 02
L, M, N, O, P, Q, R and S are eight friends sitting around a square table, all of them facing centre and each
is opposite another. There are four male and four female members. O is a female sits between two males.
N sits second to the left of P, who sits opposite to R. O is an immediate right of R. No male is a immediate
neighbour of P. Q sits fourth to the right of L. M is a male sits between R and Q. Immediate left of S is a
male.
Step 8:
According to the question there
are four male and four female
members, so here P is the female.
First read the question carefully
here " O is a female sits between
two male". in this sentence we
don't have any proper information
to solve the problem, so move to
the next sentence.
Step 1:
N sits second to the left of P who
sits opposite to R
Step 5:
Q sits fourth to the right of L
Answer for Exercise: 01
Step 2:
O is an immediate right of R
Step 6:
M is a male sits between R and Q
Step 3:
O is a female sits between two
male.
(means immediate neighbours are Step 7:
Immediate left of s is a male.
male)
(from step6 if we place the S in
between N and P, N is the
immediate left of S, so N is a male)
Step 4:
No male is an immediate
neighbour of P
(means immediate neighbour of P
are females)
By
A . AnandhaRaja
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