Question

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

(a) Zerois the smallest natural number.

(b) 400 isthe predecessor of 399.

(c) Zerois the smallest whole number.

(d) 600 isthe successor of 599.

(e) Allnatural numbers are whole numbers.

(f) Allwhole numbers are natural numbers.

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

(h) 1 isthe smallest whole number.

(i) Thenatural number 1 has no predecessor.

(j) Thewhole number 1 has no predecessor.

(k) Thewhole number 13 lies between 11 and 12.

(l) Thewhole number 0 has no predecessor.

(m) Thesuccessor of a two digit number is always a two digit number.

Answer 1

(a) False,0 is not a natural number.

(b) False,as predecessor of 399 is 398 (399 − 1 = 398).

(c) True

(d) True,as 599 + 1 = 600

(e) True

(f) False,as 0 is a whole number but it is not a natural number.

(g) False,as predecessor of 10 is 9.

(h) False,0 is the smallest whole number.

(i) True,as 0 is the predecessor of 1 but it is not a natural number.

(j) False,as 0 is the predecessor of 1 and it is a whole number.

(k) False,13 does not lie in between 11 and 12.

(l) True,predecessor of 0 is −1, which is not a whole number.

(m) False,as successor of 99 is 100.