Which of the following is an irrational numbe | vedclass

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(C) An irrational number is a number that cannot be expressed as a fraction $p/q$ where $p$ and $q$ are integers and $q 
eq 0$. Its decimal expansion

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π

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(C) An irrational number is a number that cannot be expressed as a fraction $p/q$ where $p$ and $q$ are integers and $q 
eq 0$. Its decimal expansion is non-terminating and non-recurring.$1$. $\sqrt{4} = 2$,which is a rational number.$2$. $0.010101...$ is a recurring decimal,which can be expressed as $1/99$,so it is a rational number.$3$. $\pi$ (pi) is a well-known irrational number because its decimal expansion is non-terminating and non-recurring.$4$. $5$ can be written as $5/1$,which is a rational number.Therefore,the correct option is $C$.

Which of the following is an irrational number?

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