Question

The set of whole numbers is a proper subset of

• A. {Natural numbers}
• B. {Whole numbers}
• C. {Integers}
• D. {Negative integers}

Answer 1

Answer: (C)

{Integers}

If A and B are two sets such that A is a subset of B and A is not equal to B, then we say that A is a proper subset of B.
We know that whole numbers are $0,1,2,\mathrm{3...}$ and so on and integers are $....-4,-3,-2,-1,0,1,2,\mathrm{3...}$ and so on.
Hence, the set of whole numbers is a proper subset of integers.