Rewrite each of the following statements in the form `p` if only if`q :` `s :` If a tumber is half empty, then it is half full and if a tumber is half full, the it is half empty.

Rewrite each of the following statements in the form p if only if iq:s: If a tumber is half empty,then it is half full and if a tumber is half full,the it is half empty.

Rewrite the following statements in the form: 'p if and only if q' p: A quadrilateral is equiangular. q: A quadrilateral is a rectangle.

Rewrite each of the following statements in the form 'p if and only if q'. Give below are pairs of statements. Combine them using 'if and only if' : p : If two lines are parallel, then their slopes are equal. q : If the slopes of two lines are equal, then they are parallel.

Write each of the following numbers in the form (p)/(q) , where p and q are integers: three and half

Rewrite each of the following statements in the form 'p if and only if q'. Determine the truth value of each of the following statements : 3+3 = 6 if 4+3 =8

If the lower half of a concave mirror's reflecting surface is made opaque, which of the following statements describe the image of an object placed in front of the mirror ? S1 : Intensity of the image will increase. S2 : The image will show only half of the object. S3 : No change in the image. S4 : Intensity if the image will be reduced to half.

An empty container is filled with pure alcohol. The alcohol is slowly allowed to run out and when the container is 1/4 empty, it is replaced with water. Next, when the container is half empty it is again filled with water. Finally, when it is 3/4 empty, it is again filled with water. What percentage of container is alcohol now?