QUESTION

# Say true or false: 0.120120012000120000... is a rational number.(a) True(b) False

Hint: Observe that the given number is terminating or non terminating and repeating or non repeating. Use the definition of rational and irrational numbers to check if the given number is a rational number or not.

We know that any rational number is of the form $\dfrac{p}{q}$, where p and q are integers and $q\ne 0$.