The smallest natural number is _.

A) 0

B) 1

C) 10

D) 3

All natural numbers are whole numbers, but all whole numbers are not _.

A) Natural numbers

B) Integers

C) Rational numbers

D) Real numbers

All Rational numbers are __.

A) Real numbers

B) Whole numbers

C) Complex numbers

D) Integers

Natural numbers starts from _.

A) 0

B) 1

C) -1

D) 2

Identify the natural numbers among the following numbers.

A) 2 and 5

B) -5 and -9

C) \$\sqrt5 and \sqrt3\$

D) \$1/2 and 3/5\$