Multiple choice general knowledge math & puzzles

What is the name for the type of number that cannot be written as a ratio of two integers?

  1. Abundant

  2. Irrational

  3. Deficient

  4. Prime

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Irrational numbers are real numbers that cannot be expressed as a simple fraction or ratio of two integers (like $\pi$ or $\sqrt{2}$). Rational numbers, by contrast, can be expressed as ratios.