SSC CPO 2025 PYQ — Question 103

SSC CPO - 11 Dec 2025 - Shift 2 • Quantitative Aptitude • Q103

Which of these number sets is NOT a subset of real numbers?

Show answer & explanation

Correct answer: D

Explanation

Complex Numbers

They take the form:

a + ib (where i = √-1)

Here, √-1 is not a real number.

Therefore, complex numbers possess an imaginary part.

For this reason, they are not a subset of Real Numbers.