Answer:

a options is correct answer means Mark me brilliant ok

Answer:

BRAINLIEST ANSWER

Step-by-step explanation:

(a) Rational Number includes numbers, which are finite or are recurring in nature. ... Both the numerator and denominator are whole numbers, in which the denominator is not equal to zero. Irrational numbers cannot be written in fractional form.

(b) Set of rational numbers (Q) & set of irrational numbers (I) are disjoint sets. Their intersection is empty set. And their union is set of real numbers

(c)The union of the rational and irrational numbers is called the set of real numbers.

hope this will help you

✌✌✌