Question 9
A lion and a unicorn in a forest of forgetfulness are strange beings.
• The lion lies on Monday, Tuesday and Wednesday and tells the truth on the other days.
• The unicorn lies on Thursdays, Fridays and Saturdays and tells the truth on the other days.
One day, they talked to each other.
Lion: ”Yesterday I was lying.”
Unicorn: ”So was I.”
On which day did they say that?
• The lion lies on Monday, Tuesday and Wednesday and tells the truth on the other days.
• The unicorn lies on Thursdays, Fridays and Saturdays and tells the truth on the other days.
One day, they talked to each other.
Lion: ”Yesterday I was lying.”
Unicorn: ”So was I.”
On which day did they say that?