Which of the following is an irrational number?

  1. pi
  2. 0.75
  3. 49
  4. 0.overline3
Answer

A) pi

pi is irrational because pi is a non-terminating, non-recurring decimal. The others can be written as pq (e.g. 49 = 7, 0.overline3 = 13). SLO M-09-A-02 · Knowledge

Mathematics MCQ · More Real Numbers MCQs · Practise