Which of the following is an irrational number?

1.	Which of the following is an irrational number?
A.	\[\sqrt{9}\]
B.	\[\pi \]
C.	\[\frac{22}{7}\]
D.	\[2.5151515...\]
Answer» C. \[\frac{22}{7}\]

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Which of the following is an irrational number?

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