Question 12
On one side of each of the five coins below there is a number and on the other side there is a shape.
Peter is told that if there is a triangle on one side of a coin then there is an even number on the other. Which of the following is the fewest coins that Peter can turn over from the five to check this?
Peter is told that if there is a triangle on one side of a coin then there is an even number on the other. Which of the following is the fewest coins that Peter can turn over from the five to check this?