Identify the type of ''Or'' used in the following statements and check whether the statements are true or false:
A rectangle is a quadrilateral or a 5-sided polygon.

Identity the type of 'or' used in the following statement and check whether the statement is true or false. ''To enter in to a public library children need an identity card from the school or a letter from the school authorities.

State whether the statements are True or False. (ii) All parallelograms are quadrilaterals ( )

State whether the following statements are true or false : A ray has no end point.

State whether the following statements are true or false: Polyster is a natural fibre.

State whether the statements are True or False. (v) Every rhombus is a square ( )

Write the negation of the following statements and check whether the resulting statements are true, There does not exist a quadrilateral which has all its sides equal.

State whether the following statements are true or false : A line has a definite length.

State whether the statements are True or False. (iv) A square is a rhombus ( )

State whether the statements are True or False. (iii) All trapeziums are parallelograms ( )

Examine whether the following statements are true or false: { a }∈ { a, b, c }