Identify the quantifiers in the following statements.

(i) There exists a real number which is twice of itself.
(ii) For every x ∊ N, x + 10 > x.

Identify the type of “or” used in the following statements.

(i) An ice cream or coca-cola is available with piza.

(ii) A lady gives birth to a baby boy or a baby girl.

Write the following statements in “if-then” form.

p : A number is multiple of 9 only if it is multiple of 3.

q : When a number is multiple of 9, it is necessarily a multiple of 3.

Rewrite the following statement with “if-then” in five different ways conveying the same meaning.
If a natural number is odd, then its square is also odd.