Direction: Read the following information carefully and answer the questions…

2025

Direction: Read the following information carefully and answer the questions based on given information.
Six boxes J, L, N, Q, R and V are placed one over another and contain six different colours — Blue, Green, Pink, Red, White and Yellow — but not necessarily in this order. Box L is placed four boxes above the box that contains Pink colour. Only two boxes are placed between the box that contains White colour and box N, and neither of them is placed at the top or bottom position. Box V is placed just above the box that contains Red colour. As many boxes are placed above the box that contains Green colour as are placed below box J. The box that contains Red colour and the box that contains Pink colour are placed adjacent to each other. Box Q is placed below box L but contains neither Yellow nor Blue colour. Neither box V nor box R contains Green or White colour. The box that contains Blue colour is placed below the box that contains Yellow colour.

Which of the following combinations is incorrect?

  1. A.

    L-Green

  2. B.

    Q-White

  3. C.

    R-Red

  4. D.

    N-Yellow

  5. E.

    J-Blue

Attempted by 2 students.

Show answer & explanation

Correct answer: D

Concept

In a floor- or level-based vertical arrangement puzzle, every clue about “above / below / adjacent / gap” translates directly into a numeric constraint on position numbers (say position 1 = topmost, position 6 = bottommost). Solve by first fixing the boxes anchored by the most restrictive fixed-gap clues, then use the remaining relative clues, one at a time, to eliminate every other placement until each box and colour is pinned to a single unique position.

Application

  1. Number the six positions 1 (top) to 6 (bottom). “L is four boxes above the Pink box” allows only two placements four positions apart in a six-box stack: (L = 1, Pink = 5) or (L = 2, Pink = 6).

  2. Testing (L = 2, Pink = 6): Red must sit adjacent to Pink, so Red = 5, and since V sits just above the Red box, V = 4 — leaving J, N, Q and R for positions 1, 3, 5 and 6. The White-box-to-N three-position gap only has room at N = 3 or N = 5 here: N = 3 fails immediately, since it would need White at position 0 or 6, and position 6 already holds Pink. So N = 5, which forces White = 2 (box L's position). The equal-count clue (as many boxes above Green as below J) then balances only at Green = 1 and J = 6 — J = 1 pushes Green to position 6, which is already Pink, and J = 3 pushes Green to position 4 (box V), which the “neither V nor R holds Green or White” clue rules out. With Blue required below Yellow, the remaining two colours split as Yellow = 3 and Blue = 4 (box V), leaving Q and R for positions 1 and 3; since Q cannot hold Yellow, Q = 1 (Green) and R = 3 (Yellow). But Q = 1 sits above L = 2, directly contradicting “Q is placed below L.” This entire branch is therefore rejected.

  3. So (L = 1, Pink = 5) is correct. Red must be adjacent to Pink, so Red = 4 or Red = 6. The clue that the White box and box N sit exactly three positions apart, with neither at the top or bottom, has only one valid pair of positions across a six-slot stack — (2, 5), since the other three-apart pairs, (1, 4) and (3, 6), each include an endpoint. If Red = 6, then V (just above Red) occupies position 5 — but position 5 must be able to hold either White or N under that gap clue, and a box already fixed there (V, holding Pink) can be neither. So this branch is impossible: Red = 4 and V = 3.

  4. With positions 2 and 5 the only valid (White, N) pair, and position 5 already fixed as Pink (since Red = 4 and Pink = 5 are now both settled, and position 5 is not occupied by any already-placed box), box N itself must be the one to occupy position 5, holding the Pink colour, while White takes position 2.

  5. The equal-count clue — as many boxes above the Green box as below box J — only balances (0 = 0) when Green sits at position 1 and J sits at position 6; any other split runs out of positions or forces V into the Green colour, which is barred by “Neither V nor R contains Green or White.”

  6. That leaves Blue and Yellow for positions 3 and 6. Since Blue must sit below Yellow, Blue = 6 (box J) and Yellow = 3 (box V). The two boxes left, Q and R, take positions 2 and 4; because R cannot hold White (barred by the same Green/White restriction), R takes the Red-coloured position 4 and Q takes the White-coloured position 2.

Cross-check

Checking every clue against this arrangement: the four-box Pink gap, the three-box White–N gap (with neither at the ends), the V-just-above-Red placement, the equal above/below count for Green and J, the Red–Pink adjacency, Q below L, V and R avoiding Green/White, and Blue below Yellow — all eight hold simultaneously, and the alternate starting branch was already ruled out. The arrangement is unique.

Box

Colour

L

Green

Q

White

V

Yellow

R

Red

N

Pink

J

Blue

The completed stack, top to bottom, is: L-Green, Q-White, V-Yellow, R-Red, N-Pink, J-Blue. Comparing this against the options, box N actually holds Pink, not Yellow — so “N-Yellow” is the combination that does not match the arrangement, making it the incorrect one.

Explore the full course: Niacl Ao It Specialist

Loading lesson…