Question

Which number produces an irrational number when added to 1/3

Answer 1

C

Explanation:

Answer 2

The answer is C.

When you add a rational number (1/3) to an irrational number, you always get an irrational sum.
2*pi is irrational because it cannot be expressed as a ratio of two integers. It is also a nonterminating nonrepeating decimal.