Fill in the blanks.

(i)

(ii)

(iii)

(iv)

Options A.

B.

C.

D.

Reciprocal ofis

Options A.

B.

C.

D. none of these

A rational number betweenandis

Options A.

B.

C.

D.

Write ‘T’ for true and ‘F’ for false for each of the following:

(i) Rational numbers are always closed under subtraction.

(ii) Rational numbers are always closed under division.

(iii)

(iv) Subtraction is commutative on rational numbers.

(v)