Understand the rule first
Translate each statement into a small set, order or position diagram. A valid conclusion must hold in every arrangement allowed by the facts.
Separate conclusions that must be true from those that are only possible.
Translate each statement into a small set, order or position diagram. A valid conclusion must hold in every arrangement allowed by the facts.
Treating a likely or familiar conclusion as certain without proving it from the statements.
Reusable method: Draw small sets or a simple order diagram.Place P inside the set of silver boxes.
Answer C: P is heavy.
Every silver box is heavy, so P must be heavy.
Quick method: Draw small sets or a simple order diagram.
Write the order directly from both comparisons.
Answer D: Noor
Noor finished before Mina, and Mina before Leo; Noor was first.
Quick method: Draw small sets or a simple order diagram.
Follow the poets who are inside the musician set.
Answer A: Some poets practise daily.
Those poets who are musicians must practise daily, so some poets practise daily.
Quick method: Draw small sets or a simple order diagram.
Place Faisal in the middle of the two stated neighbours.
Answer B: Ella, Faisal, Gus
Ella must be immediately left and Gus immediately right: Ella, Faisal, Gus.
Quick method: Draw small sets or a simple order diagram.
A square token cannot belong to the red-token set.
Answer C: X is not red.
Because no red token is square and X is square, X cannot be red.
Quick method: Draw small sets or a simple order diagram.
Place larns inside the group of mips.
Answer A: No larns are zogs.
Because every larn is a mip and no mip is a zog, no larn can be a zog.
Quick method: Draw small sets or a simple order diagram.
Join the three comparisons into one chain.
Answer B: Dan, Ava, Ben, Cia
The statements combine to Dan before Ava before Ben before Cia.
Quick method: Draw small sets or a simple order diagram.
Ask whether P could be true while Q is false.
Answer C: P is false.
P being true would force Q to be true. Since Q is false, P must also be false.
Quick method: Draw small sets or a simple order diagram.
Test all three conditions against each option.
Answer D: M, J, K, L
M, J, K, L has J left of K, L at the far right and M not next to L. Each other option breaks at least one condition.
Quick method: Draw small sets or a simple order diagram.
Test each possible box and count the true labels.
Answer A: Box S
If the prize is in S, R’s label is true while S’s and T’s labels are false—exactly one true label. The other locations produce a different count.
Quick method: Draw small sets or a simple order diagram.