WAEC Mathematics 2020 Objective — Question 11
Question 11 of 50 from the West African Examinations Council (WAEC) Mathematics 2020 Objective paper, with the correct answer and a full explanation.
Advertisement
The implication x=>y is equivalent to
- A. ~y=>~xCorrect
- B. y=>~x
- C. ~x=>~y
- D. y=>x
Explanation
The contrapositive of x=>y is ~y=>~x, which is logically equivalent to the original implication.
Advertisement
Sign up free to unlock
- Score tracking
- Practice history
- Saved questions
- Progress dashboard
- Personalized sessions
- Weak-topic breakdown
…and/or go further with premium services and No Ads.