Five girls are sitting on a bench to be photographed. Seema is to the left of Rani and to the right of Bindu. Mary is to the right of Rani. Reeta is between Rani and Mary.
Who is second from the right ?
Answer: C
Correct answer: Reeta
Seema is left of Rani and right of Bindu, so Bindu, Seema and Rani stand in that order. Mary is right of Rani and Reeta between them, giving the line, from left to right, Bindu, Seema, Rani, Reeta, Mary.
Counting from the right: Mary first, Reeta second.
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Who is second from the left in photograph ?
Answer: D
Correct answer: Seema
Seema is left of Rani and right of Bindu, and Mary is right of Rani with Reeta between them, so the line reads Bindu, Seema, Rani, Reeta, Mary. Counting from the left, Seema is second.
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P, Q, R, S, T, U, V and W are sitting round the circle and are facing the centre:
Which two of the following are not neighbours ?
Answer: A
Correct answer: RV
All eight face the centre, so each person’s right is the next seat anticlockwise. Put T in place; P sits two to T’s right, and R and V take the seats on either side of T. V must have U beside her, which fixes V’s side and puts U next along. Of the three seats left, S may not touch P, and the conditions about Q and W then leave one filling. Clockwise the circle reads T → V → U → S → W → Q → P → R.
R and V sit on either side of T, so one seat separates them - they are not neighbours. U and V, R and P, and Q and W are each side by side.
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Which one is immediate right to the V ?
Answer: D
Correct answer: T
All eight face the centre, so each person’s right is the next seat anticlockwise. Put T in place; P sits two to T’s right, and R and V take the seats on either side of T. V must have U beside her, which fixes V’s side and puts U next along. Of the three seats left, S may not touch P, and the conditions about Q and W then leave one filling. Clockwise the circle reads T → V → U → S → W → Q → P → R.
V’s right is the next seat anticlockwise, which belongs to T.
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Which of the following is correct ?
Answer: C
Correct answer: Q is to the immediate left of W
All eight face the centre, so each person’s right is the next seat anticlockwise. Put T in place; P sits two to T’s right, and R and V take the seats on either side of T. V must have U beside her, which fixes V’s side and puts U next along. Of the three seats left, S may not touch P, and the conditions about Q and W then leave one filling. Clockwise the circle reads T → V → U → S → W → Q → P → R.
W’s left is the next seat clockwise, and Q occupies it, so that statement holds. Of the others: P’s right is Q’s seat rather than the reverse, R is not between U and V, and U does not sit between W and S.
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What is the position of S ?
Answer: C
Correct answer: To the immediate right of W
All eight face the centre, so each person’s right is the next seat anticlockwise. Put T in place; P sits two to T’s right, and R and V take the seats on either side of T. V must have U beside her, which fixes V’s side and puts U next along. Of the three seats left, S may not touch P, and the conditions about Q and W then leave one filling. Clockwise the circle reads T → V → U → S → W → Q → P → R.
W’s right is the next seat anticlockwise, and S occupies it. The arrangement is fully determined, so the data are not inadequate.
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Five towns B, K, A, T and P are located near a straight lake. The town of A is West of P. T is East of A but West of P. K is East of B but West of T and A. If they are all in the same district, then which of the following is not true ?
CBSE Assistant Secretary - 2024,
Answer: D
The statement that is not true is K is in the farthest East.
Build the order from West to East. A is West of P, and T is between them: A, T, P. K is West of both T and A, and East of B: B, K, A. Combining:
West: B, K, A, T, P :East
So P is farthest East, T is West of P, and B is West of A and K, all true. K is second from the West end, not the farthest East.
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Five friends Arun, Bhumi, Ria, Vibha and Shweta are sitting in a row facing east. Bhumi is sitting between Vibha and Sweta. Ria is second to the left of Sweta. Who is sitting at the south end?
DSSSB - 2023,
Answer: C
Vibha is sitting at the south end. People facing east have north on their left and south on their right, so the south end is the right-hand end of the row. Ria is second to the left of Sweta, so Sweta cannot be in the first two seats. If Sweta is in seat 4 (counting from the north end) then Ria is in seat 2, and Bhumi must sit next to Sweta with Vibha on Bhumi's far side, which fails because the seats are taken or run out. If Sweta is in seat 5, Bhumi would be in seat 4 and Vibha in seat 3, which is Ria's seat. Only Sweta in seat 3 works: Ria is in seat 1, Bhumi in seat 4, Vibha in seat 5, and Arun in seat 2. The row from north to south is Ria, Arun, Sweta, Bhumi, Vibha, so the south end is Vibha, not Sweta, Bhumi or Arun.
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P, Q, R, S, T and U are sitting on a wall and all of them are facing north.
R is to the immediate left of U.
Q is at an extreme end and has U as his neighbour.
Only T is between R and P.
Who is sitting to the left of P?
DSSSB PGT - 2023,
Answer: D
S is sitting to the left of P. All face north, so left is the west side and the line from west to east reads as the order of left to right. R is immediately to the left of U, giving R U. Q is at an extreme end with U as a neighbour, so Q is at the east end: R U Q. Only T is between R and P, so P T R U Q. The remaining person S cannot be between R and P, so S takes the west end: S P T R U Q. The person to the left of P is therefore S, not T, R or U.
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E, F, G and H are sitting in a straight line equidistant from each other (but not necessarily in the same order). Some of them are facing south, while some are facing north.
G sits second to the right of H, who faces north.
E is not an immediate neighbour of G and faces the same directions as G.
Both the immediate neighbours of H face the same direction.
G sits at one of the extreme ends of the line.
Both the immediate neighbours of F face the opposite directions.
How many persons in the given arrangement are facing south?
DSSSB PGT - 2023,
Answer: B
Three persons face south. G sits second to the right of H, who faces north and so has east on the right. G is at an extreme end, so H is second from the other end. E is not next to G, so E is at the far end and F is between H and G.
F's two neighbours, H and G, face opposite directions, so G faces south. E faces the same way as G, which is south. H's neighbours E and F face the same way, so F is south too. So E, F and G face south, and H faces north.
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