Fill in the blanks:

(i) A whole number is less than all those whole numbers that lie to its …. on the number line.

(ii) One more than a given whole is called its ….

(iii) There is at least one whole number between two …. whole numbers.

(iv) 738 × 335 = 738 × (300 + 30 + ….)

(v) If a is a non-zero whole number and a × a = a, then a = ….

(vi) …. is the only whole number which is not a natural number.

(vii) The additive identity in whole numbers is ….

(viii) …. is the successor of the largest 3-digit number.

(ix) Division of a whole number by …. is not defined.

State whether the following statements are true (T) or false (F):

(i) The successor of a one-digit number is always a one-digit number.

(ii) The predecessor of every two-digit number is a one-digit number.

(iii) The predecessor of a 3-digit number is always a 3-digit number.

(iv) The successor of a 3-digit number is always a 3-digit number.

(v) If a is any whole number, then a ÷ a = 1

(vi) If a is any non-zero whole number, then 0 ÷ a = 0

(vii) On adding two different whole numbers, we always get a natural number.

(viii) Between two whole numbers there is a whole number.

(ix) There is a natural number which when added to a natural number, gives that number.

(x) If the product of two whole numbers is zero, then at least one of them is zero.

(xi) Any non-zero whole number divided by itself gives the quotient 1.

The predecessor of the smallest 4-digit number is

1. 99

2. 999

3. 1000

4. 1001

The predecessor of 1 million is

1. 9999

2. 99999

3. 999999

4. 1000001