Learn by Novus · Open practice pack v1

Logic grids: open practice pack: authored hints

25 untimed puzzles on a difficulty 1–5 ladder.

Puzzles are an untimed educational and entertainment activity. They are not a clinical, diagnostic, standardized, or professionally recognized assessment. Solving puzzles here does not produce an IQ score and cannot be used for Mensa qualification, diagnosis, giftedness identification, educational placement, employment selection, disability applications, accommodations, legal matters, or medical decisions. Puzzle items are never used as unseen scored questions in any Novus Learn assessment.

Authored hints

Only hints supplied by the puzzle authors are included. Items without a source hint are listed as missing; no hint text is generated or inferred.

0 worksheet items do not have an authored hint.

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Start from the clue that rules something out. With only two drinks on the board, it settles everything.

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One clue fills a cell on its own. Place that tick first, then see what it removes from the rest of the grid.

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Turn the comparison into a plain ordering, who is ahead of whom, before you touch the grid.

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Rewrite the negative clue as a positive statement about the other box before you fill anything in.

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Convert the sentence about when Hana can start into a cross in one cell, then read the grid.

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Two of the three fruits are handed out directly. Count what is left rather than reasoning about it.

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Place the vehicle whose colour is stated outright, then re-read the exclusion against what remains.

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Fix the delivery whose day is stated, then apply the ordering clue only to the days still open.

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Two clues talk about the same pet. Read down that column and count how many owners are ruled out.

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Place the desk whose floor is stated first; the comparison then has only two floors to sort out.

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Superlatives name a single cell. Work out what scoring the most can only mean before reading on.

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No clue here links a subject to a day. Solve the two attributes as separate grids, then read them together.

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One clue crosses out a product-and-street pairing. Work out which shopkeeper stands on that street.

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One clue names an instrument and a town but no person. Work out who plays that instrument first.

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Work out which two platforms are still in play before you use the higher-and-lower comparison.

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One clue rules the same person out of two lockers. Mark both crosses before you read anything else.

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Treat the two consecutive appointments as one block and list every position that block could occupy.

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The person on the top floor is never named by any clue. Place everyone who is named and see who is left over.

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That comparison carries two restrictions at once. Write both of them down before you place any score.

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Split the neither-nor clue into two separate crosses and see which title is left holding history.

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Two stalls must stand side by side. List every place that pair could sit, then test each against the rest.

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One clue closes two months for the same project. Shrink that project's row first, then test what remains.

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One clue is an if-then. Check whether its second half is already false before you try to use its first half.

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Delete one clue at a time and ask whether the timetable still has exactly one solution without it.

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Nothing is placed outright. Take one half of the either-or clue as true and follow it until something breaks.