Classifying the numbers

Which family of number includes only the number {0,1,2,3,4…….} ?

• Whole numbers .

• Natural numbers

• Integers

What type of number is -5 ?

• Natural Numbers

• Whole numbers

• Integers.

Given the set of numbers {10 , - ⅘ ,7.2 ,-9 } which are classified as integers ?

• - ⅘ and - 9 only

• 10 , 7.2 and -9 only

• 10 and -9