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1978 AMC 12 Question 22

AMC12 · 1978 AMC 12

Question 22

The following four statements, and only these, are found on a card:

On this card exactly one statement is false.
On this card exactly two statements are false.
On this card exactly three statements are false.
On this card exactly four statements are false.

(Assume each statement on the card is either true or false.) Among them the number of false statements is exactly
  1. $0$
  2. $1$
  3. $2$
  4. $3$
  5. $4$