Question 9
Four animals, each either a frog or a toad, are named Mi, Y, Ti and Si. Toads always tell the truth; frogs always lie. Using their statements below, determine how many of the four are frogs:
- Mi says: “Y and I are different species.”
- Y says: “At least three of us are frogs.”
- Ti says: “Si is a frog.”
- Si says: “Ti is a frog.”
- Mi says: “Y and I are different species.”
- Y says: “At least three of us are frogs.”
- Ti says: “Si is a frog.”
- Si says: “Ti is a frog.”