Truth-tellers and liars

Work out who tells the truth from what each person says.

How it works

Liars always lie; the others always tell the truth. Test hypotheses and select everyone who tells the truth.

• 30 progressive levels, from basic to advanced
• Levels 1 to 3 free, no card

More exercises in Logic

• Figure sequences
• Progressive matrices
• Geometric analogies
• Clue puzzle
• If… then
• Logical elimination
• Venn diagrams
• Truth tables
• Alternating sequences
• Family tree
• Logical ordering
• Consistency
• Cause and effect
• Rule maze