Reasoning order questions give you clues about five people, places, items, or rankings. The skill is to place what is certain first, test the possible gaps, and finish with an order that satisfies every clue.
For students who can follow individual clues, but struggle to put several ordering conditions together without losing track.
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Reasoning order questions give you clues about five people, places, items, or rankings. The skill is to place what is certain first, test the possible gaps, and finish with an order that satisfies every clue. Here is a worked example.
Question: A group of 5 friends is queuing up for a roller coaster ride. Clues about their order from front to back:
(a) Who is standing immediately in front of Naomi?
(b) Who is standing at the very front?
(c) Write down the full order of the friends from front to back.
Richard is fixed in position 4, so write that in first.
Peter cannot be at either end because he is between Zina and Naomi, and Richard occupies position 4. Peter must therefore be in position 2 or 3. If Peter were in position 2, either Zina or Naomi would have to be in position 1. Try Zina there first: she could not then be between Ivan and Richard.
The other possibility with Peter in position 2 is Naomi in position 1. This leaves positions 3 and 5 for Zina and Ivan. Zina cannot be at 5 because she must be between two people. But Zina at 3 would put Ivan at 5 and Richard at 4, both on the same side of her. That also fails.
Peter must therefore be in position 3. Zina cannot be at either end or in Richard's position 4, so Zina is at 2. Naomi must be on the other side of Peter, at 5, leaving Ivan at 1.
Answers: (a) Richard. (b) Ivan. (c) Ivan, Zina, Peter, Richard, Naomi. Tip: A fixed clue usually gives the fastest starting point.
The worked example above shows how fixing certain positions first unlocks the rest of the sequence. Most reasoning order puzzles rely on four core rules:
Clues such as "second from the right", "4th place", or "the second youngest" give you an anchor.
Example: If Harry is second from the right in five seats, Harry must be in seat 4 before any other clue is tested.
Somewhere between means the middle item can be anywhere inside the two endpoints.
Example: If Bob is somewhere between Saroj and Laila, Saroj and Laila must be on opposite sides of Bob, but they do not have to touch Bob.
Immediate-left, immediate-before, and exactly-one-place-above clues create a two-item block.
Example: Martha immediately to the left of Laila can be seats 1 and 2, 2 and 3, 3 and 4, or 4 and 5.
After testing a possible order, reread the clues from top to bottom and make sure none are broken.
Example: In a league table, "above" means a better position, so the top team is position 1, not the last line.
Positioning an immediate pair and ordering items with variable gaps.
Question: 5 siblings, all different ages, are lined up from youngest to oldest. Clues about their ages:
(a) Who is the youngest?
(b) Who is immediately older than Sofia?
(c) Write down the full order of siblings from youngest to oldest.
Ravi is fixed in position 2. Camila and Elena must sit together as a block, with Camila immediately before Elena.
The possible block positions are 3 and 4, or 4 and 5. If Camila and Elena were in positions 3 and 4, there would be no room for Nisha to be between Sofia and Elena.
So Camila is position 4 and Elena is position 5. Nisha must be between Sofia and Elena, which places Sofia at position 1 and Nisha at position 3.
Answers: (a) Sofia. (b) Ravi. (c) Sofia, Ravi, Nisha, Camila, Elena. Tip: Draw a small bracket around immediate pairs so you move them together.
Question: A treasure map lists 5 landmarks you must visit in order. Clues about the sequence of landmarks:
(a) Which is the 1st landmark to visit?
(b) Which landmark do you visit immediately before Skull Rock?
(c) Write down the full sequence of landmarks to visit.
The Oak is fixed in position 4. The Statue and Shipwreck form an immediate block.
Try Statue in position 2 and Shipwreck in position 3. That leaves no space for Skull Rock to fit between the Statue and the Waterfall, so that placement fails.
The Statue must be position 1 and the Shipwreck position 2. Skull Rock can then be position 3, between the Statue and the Waterfall, and the Waterfall is position 5.
Answers: (a) Statue. (b) Shipwreck. (c) Statue, Shipwreck, Skull Rock, Oak, Waterfall. Tip: Between clues are often solved by checking which trial placement leaves enough space.