#### Choose the correct statement:

(a) Reciprocal of every rational number is a rational number.

(b) The square roots of all positive integers are irrational numbers.

(c) The product of a rational and an irrational number is an irrational number

(d) The difference of a rational number and an irrational number is an irrational number.

**Solution:**

(d) The difference of a rational number and an irrational number is an irrational number.

#### Every rational number is

(a) A natural number

(b) An integer

(c) A real number

(d) A whole number

**Solution:**

(c) A real number

**More Solutions:**

- Express the following numbers in the form p/q.
- Classify the following numbers as rational or irrational:
- what can you say about the prime factors of q?
- Insert an irrational number between the following.
- Insert two irrational numbers between 2 and 3.
- Find one rational number between √2 and √3.
- Insert irrational numbers between √5 and √7.
- Simplify the following: (i) √45 – 3√20 + 4√5
- Simplify the following: (i) (5 + √7) (2 + √5).