Question

The contrapositive of the statement "If you will work, you will earn money" is :

(1) You will earn money, if you will not work

(2) If you will earn money, you will work

(3) If you will not earn money, you will not work

(4) To earn money, you need to work

Answer 1

Correct answer is (3) If you will not earn money, you will not work

Contrapositive of p → q is ~q → ~p

 p : you will work 

q : you will earn money 

~q : you will not earn money 

~p : you will not work 

∴ ~q → ~p : If you will not earn money, you will not work