Answer :

(i) Statement: If Mohan is a poet, then he is poor.


Contrapositive : If Mohan is not poor, then he is not a poet.


(ii) Statement: Only if Max studies will he pass the test.


Contrapositive : If Max does not study, then he will not pass the test.


(iii) Statement: If she works, she will earn money.


Contrapositive : If she does not earn money, then she does not work.


(iv) Statement: 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) Statement: It never rains when it is cold.


Contrapositive : If it rains, then it is not cold.


(vi) Statement: If Ravish skis, then it snowed.


Contrapositive : If it did not snow, then Ravish will not ski.


(vii) Statement: If x is less than zero, then x is not positive.


Contrapositive : If x is positive, then x is not less than zero.


(viii) Statement: If he has courage he will win.


Contrapositive : If he does not win, then he does not have courage.


(ix) Statement: 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) Statement: Only if he does not tire will he win.


Contrapositive : If he tries, then he will not win.


(xi) Statement: If x is an integer and x2 is odd, then x is odd.


Contrapositive : If x is even, then x2 is even.


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