∑
Math Lab
Classes
Class X
Class XII
Formulas
Quizzes
▶
Play
☰
Home
/
Class IX
/
Chapter 1
/
Rational and Irrational Numbers
/
Quiz
Class IX
Quick check : Rational and irrational numbers
6 questions
Question 1 of 6
Score:
0
/ 0
Which is irrational?
A
81
\sqrt{81}
81
B
27
\sqrt{27}
27
C
22
7
\dfrac{22}{7}
7
22
D
0.5
0.5
0.5
← Back to subtopic notes
AI Summary
Summarize this page in your favorite LLM