Learn by Novus · Open practice pack v1

Deduction and clues: 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.

puz-deduction-and-clues-01

One sentence is a general rule; the other names a case that falls under it.

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Suppose for a moment that she had attended, and see what the rule would then force.

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Both comparisons mention the same parcel; use it to join them into one chain.

puz-deduction-and-clues-04

Take the loaves sold before noon and ask what the rule lets you call them.

puz-deduction-and-clues-05

The sentence describes what happens at the depot, not what would be permitted.

puz-deduction-and-clues-06

Ask whether the rule says anything at all about mornings when the alarm stays silent.

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List two other ways a path gets wet, then ask whether the rule rules them out.

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Turn each comparison into a link and join all three into one line before reading off the front.

puz-deduction-and-clues-09

Start with the speaker whose claim would break the stated setup if it were true.

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Relabel the tray-one seedlings using the first sentence, then apply the second to that label.

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One clue leaves room for a tie; another closes it. Read those two together.

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Test each person in turn as the one who forgot, and count how many statements come out false.

puz-deduction-and-clues-13

Place the pair that must sit side by side first, then see which morning is left over.

puz-deduction-and-clues-14

Ask what else, apart from a poor service, could put a van off the road in April.

puz-deduction-and-clues-15

Use the given fact to unlock the inner rule, then run that inner rule backwards.

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Find the person ruled out of three of the four items and give them what is left.

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Picture a group where a clear majority, but not everyone, owns waterproofs.

puz-deduction-and-clues-18

Take each name in turn as the one who booked, and count the false statements that follow.

puz-deduction-and-clues-19

Start with the clue that fixes a position outright, then try the welded pair in each place it can start.

puz-deduction-and-clues-20

Rewrite the rule as an arrow: does it run from entry to payment, or the other way?

puz-deduction-and-clues-21

Cover each clue in turn and check whether the other three still pin down every day.

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Ask what she would have said if the counter she was looking at had been the blue one.

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Work through the five candidates one at a time and tally which statements survive in each case.

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The clue offering two possibilities is where to start: try one branch and see whether it survives.

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Before settling on a week, try to build two different rotas that both obey every clue.