Question -
Answer -
(i) If Mohan is a poet, then he is poor.
Contrapositive: If Mohan is not poor, then he is not a poet.
(ii) Only if Max studies will he pass the test.
Contrapositive: If Max does not study, then he will not pass the test.
(iii) If she works, she will earn money.
Contrapositive: If she does not earn money, then she does not work.
(iv) If it snows, then they do not drive the car.
Contrapositive: If then they do not drive the car, then there is no snow.
(v) It never rains when it is cold.
Contrapositive: If it rains, then it is not cold.
(vi) If Ravish skis, then it snowed.
Contrapositive: If it did not snow, then Ravish will not ski.
(vii) If x is less than zero, then x is not positive.
Contrapositive: If x is positive, then x is not less than zero.
(viii) If he has courage he will win.
Contrapositive: If he does not win, then he does not have courage.
(ix) It is necessary to be strong in order to be a sailor.
Contrapositive: If he is not strong, then he is not a sailor
(x) Only if he does not tire will he win.
Contrapositive: If he tries, then he will not win.
(xi) If x is an integer and x2 is odd, then x is odd.
Contrapositive: If x is even, then x2 is even.