{1, 11, 23, 31, 40, 50, 55}

The numbers shown above belong to which of the following subsets of the real numbers?
I.Integers
II.Natural Numbers
III.Irrational Numbers
IV.Rational Numbers
V.Whole Numbers

Question

{1, 11, 23, 31, 40, 50, 55}

The numbers shown above belong to which of the following subsets of the real numbers?
I.Integers
II.Natural Numbers
III.Irrational Numbers
IV.Rational Numbers
V.Whole Numbers

anonymous · Answer

If you count 1, 2, 3... etc
Will you eventually reach all these numbers?

anonymous · Answer

yea

anonymous · Answer

So they're natural numbers :)

anonymous · Answer

Natural numbers are those you'd eventually reach if you count 1, 2, 3... etc

They're also known as counting numbers :)

hartnn · Answer

caution: here there are more than 1 correct answers.

anonymous · Answer

^That's true :)
@meggy 
The set of integers is the set of all Natural numbers, but include zero, and also all the negatives of the natural numbers.

So... are Natural numbers also integers?   :)

anonymous · Answer

its the the one with lV :D

anonymous · Answer

Rational numbers? We'll get there. :P

Whole numbers are all the Natural numbers, with 0 included.
So are Natural numbers also Whole Numbers?