State validity of the followings: (iii) A quadrilateral is a rectangle if and only if it is equiangular.

State validity of the followings: (ii) 7 and 8 are factors of 56

State validity of the followings: (i) 35 is divisible by 7 or 8

Write the negation of the followings: (iv) Every square is a rectangle

State validity of the followings: (vii) All men and women are not mortal.

Determine the truth value of the following statement. A quadrilateral is a square if and only if it has four sides of equal length.

Determine the truth value of the following statement. A quadrilateral is a parallelogram if and only if its opposite sides are parallel.

State which of the following is correct

Write the truth values of the followings: (x) Every rectangle is a square if and only if equilateral triangles are right angled. ,

Determine the truth value of the following statement. A polygon is a quadrilateral if and only if it has exactly four vertices.

Write the negation of the followings: ( iii) All integers are natral numbers