$1$ is the smallest non-zero single digit number.

Q.

A number, it says:

(i) I am made of the digits: $1,6,2,0$ (repetition not allowed).

(ii) I am bigger than the smallest $4$-digit number.

(iii) The place value of $6$ is $60$.

(iv) The digit at ones place is the smallest single non-zero digit number.

Who am I ?

Q. Write (T) for true and (F) for false against each of the following statements:
(i) Zero is the smallest natural number.
(ii) Zero is the smallest whole number.
(iii) Every whole number is a natural number.
(iv) Every natural number is a whole number.
(v) 1 is the smallest whole number.
(vi) The natural number 1 has no predecessor.
(vii) The whole number 1 has no predecessor.
(viii) The whole number 0 has no predecessor.
(ix) The predecessor of a two-digit number is never a single-digit number.
(x) The successor of a two-digit number is always a two-digit number.
(xi) 500 is the predecessor of 499.
(xii) 7000 is the successor of 6999.

Q.

Which of the following statements are true (T) and which are false (F)?

(a) Zero is the smallest natural number.

(b) 400 is the predecessor of 399.

(c) Zero is the smallest whole number.

(d) 600 is the successor of 599.

(e) All natural numbers are whole numbers.

(f) All whole numbers are natural numbers.

(g) The predecessor of a two digit number is never a single digit number.

(h) 1 is the smallest whole number.

(i) The natural number 1 has no predecessor.

(j) The whole number 1 has no predecessor.

(k) The whole number 13 lies between 11 and 12.

(l) The whole number 0 has no predecessor.

(m) The successor of a two digit number is always a two digit number.

Q.

What will be the difference between the largest and smallest three digit number made by using distinct single digit prime numbers?

Q. State True/False:
a) The predecessor of a two-digit number is never a single-digit number.
b) 1 is the smallest whole number.
c) Subtraction and division of whole numbers follow closure property.
d) Addition and multiplication are commutative for whole numbers.