Rewrite the following statement in the form `p` if only if`q :` `r :` For you to get an A grade, it is necessary and sufficient that you do all the homework you regularly.

Write the following using 'if and only if': In order to get A grade, it is necessary and sufficient that you do all the homework regularly.

Rewrite each of the following statements in the form “p if and only if q (i) p: If you watch television, then your mind is free and if your mind is free, then you watch television. (ii)q: For you to get an A grade, it is necessary and sufficient that you do all the homework regularly. (iii) r : If a quadrilateral is equiangular, then it is a rectangle and if a quadrilateral is a rectangle, then it is equiangular.

Write the following statement in the form if p then q : It rains only if it is cold.

Rewrite the following statements in the form p if only if q : if you watch television then your mind is free and if your mind is free, then you watch television.

Write the following statement in the form " if p, then q ". The game is canceled only if it is raining.

Rewrite the following statement in the form p if only if q : If a tumbler is half empty, then it is half full and if a tumbler is half full, then it is half empty.

Write each of the following statements in the form if p then q : It is necessary to be rich in order to be happy.

Write the following statements in the form if p then q : You can access the website only if you pay a subscription fee.

You complete all your Maths homework correctly.

Rewrite the following statement in the form p if only if q : q : if a quadrilateral is equiangular, then it is a rectangle and if a quadrilateral is a rectangle, then it is equiangular.