Every Real number is either a Rational number or Irrational Number.
Which of the following is a true statement ?
(a) The sum of two irrational numbers is an irrational number.
(b) The product of two irrational numbers is an irrational number.
(c) Every real number is always rational.
(d) Every real number is either rational or irrational.
Every rational number is
(a) a natural number (b) a whole number (c) an integer (d) a real number